{"title":"Wall Insulation","description":"\u003cp\u003eThe stud depth is fixed, so a 90 mm frame sets a hard limit on the batt that fits. HP and HD grades pack a higher R-value into the same cavity by density rather than thickness.\u003c\/p\u003e\u003cp\u003eR2.0 to R2.7 covers most external walls at 90 mm. Where the number has to go higher and the frame cannot change, rigid board is the way past it. Delivered across Victoria and New South Wales.\u003c\/p\u003e","products":[{"product_id":"r20-pink-soundbreak-batts","title":"R2.0 Pink Soundbreak Batts","description":"\u003cp\u003eR2.0 Pink Soundbreak Batts are high density glasswool acoustic batts at 75 mm, the thinnest in the Soundbreak range. Two sizes: 1160 x 430 x 75 mm covering 5 m² per pack and 1160 x 580 x 75 mm covering 6.7 m².\u003c\/p\u003e\n\u003ch3\u003eThe one for a 75 mm wall\u003c\/h3\u003e\n\u003cp\u003eSoundbreak is an acoustic batt first. This is the version for a narrower stud, where the deeper \u003ca href=\"\/products\/r27-pink-soundbreak-batts\"\u003eR2.7 at 90 mm\u003c\/a\u003e and \u003ca href=\"\/products\/r31-pink-soundbreak-batts\"\u003eR3.1 at 110 mm\u003c\/a\u003e will not fit without compressing them, which would defeat the purpose.\u003c\/p\u003e\n\u003ch3\u003eWhat Rw will I get\u003c\/h3\u003e\n\u003cp\u003eRw belongs to the whole wall or floor system, not to the batt on its own. Lining, framing, fixings and any gap left at an edge all move the result. Tell us the build-up and we will send the system report that matches it.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eCut with a sharp knife and friction fit. The batt has to touch the frame on all four sides with no gaps, because a gap is where sound gets through.\u003c\/p\u003e\n\u003cp\u003eFor the full declared figures, \u003ca href=\"\/pages\/contact\"\u003eask us\u003c\/a\u003e and we will send the current Fletcher data sheet.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"R2.0 1160x430x75mm (5m2\/pk)","offer_id":45225009086646,"sku":"4010566","price":59.4,"currency_code":"AUD","in_stock":true},{"title":"R2.0 1160x580x75mm (6.7m2\/pk)","offer_id":45225009119414,"sku":"4010567","price":79.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Pink-Soundbreak-Sound-blank-label.webp?v=1782756321"},{"product_id":"r27-pink-soundbreak-batts","title":"R2.7 Pink Soundbreak Batts","description":"\u003cp\u003eR2.7 Pink Soundbreak Batts are high density glasswool batts from Fletcher Insulation, 90 mm thick and dyed green so you can see at a glance which cavities have been done. They are built for acoustic work in walls, ceilings and midfloors, and they carry a useful thermal figure at the same time.\u003c\/p\u003e\n\u003ch3\u003eWhere it goes\u003c\/h3\u003e\n\u003cp\u003eThe batt sits inside the stud or joist cavity and cuts sound transfer between rooms, or from outside through an external wall. Typical jobs are internal walls around theatre rooms, bathrooms, laundries and kitchens, plus midfloors.\u003c\/p\u003e\n\u003ch3\u003eAcoustic ratings\u003c\/h3\u003e\n\u003cp\u003eThe Rw and Rw+Ctr you end up with belong to the whole wall or floor system, not to the batt alone. Framing, lining, fixings and any gaps all change it. Tell us your build-up and we will send the system report that matches it.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eEight batts per pack: 1160 x 430 mm (3.99 m²) and 1160 x 580 mm (5.38 m²) for timber frames, 1200 x 600 mm (5.76 m²) for steel frames. Nominal density is 24 to 32 kg\/m³. For a thicker cavity, \u003ca href=\"\/products\/r31-pink-soundbreak-batts\"\u003eR3.1 Soundbreak\u003c\/a\u003e is the 110 mm version.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eCut with a sharp knife on a firm surface and friction fit between the studs or joists. The batt has to touch the frame on all four sides with no gaps, because a gap is where sound gets through. Do not squash it in. Non-combustible to AS 1530.1 and rated BAL Low through to Flame Zone. Full figures are in the table below.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"R2.7 1160x430x90mm (4m2\/pk)","offer_id":45225009152182,"sku":"4010570","price":64.6,"currency_code":"AUD","in_stock":true},{"title":"R2.7 1160x580x90mm (5.4m2\/pk)","offer_id":45225009184950,"sku":"4010571","price":86.45,"currency_code":"AUD","in_stock":true},{"title":"R2.7 1200x600x90mm (5.76m2\/pk)","offer_id":67636076150966,"sku":"4010572","price":137.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Pink-Soundbreak-Sound-blank-label_d165f97e-5dfd-44a8-a719-9e463b458d7e.webp?v=1782756321"},{"product_id":"vapourtech-rwc-roof-wall-commercial","title":"VapourTech® RWC Roof Wall Commercial","description":"\u003cp\u003eVapourTech RWC is a Class 4 vapour permeable membrane for commercial roofs and walls. One roll size, 1500 mm by 30 m, covering 45 m², built up from four layers with a high strength polymer mesh through the middle and classified Medium duty to AS\/NZS 4200.1:2017.\u003c\/p\u003e\n\u003ch3\u003eWhat vapour permeable is actually buying you\u003c\/h3\u003e\n\u003cp\u003eHigh permeance is the whole point of this membrane. It sheds bulk water from outside while still letting water vapour escape out of the structure, which is what keeps a commercial wall or roof cavity from holding moisture. Permeance is 2.144 µg\/N·s with a water vapour transmission rate of 241 g\/m² per 24 hours, and it is a water barrier to AS\/NZS 4201.4 and an air barrier as well. \u003ca href=\"\/blogs\/blog\/metal-roof-condensation-australia\"\u003eCondensation in metal roofs\u003c\/a\u003e explains why letting vapour out matters as much as keeping water in.\u003c\/p\u003e\n\u003ch3\u003eNon-reflective, so no air gap to detail\u003c\/h3\u003e\n\u003cp\u003eEmittance is 0.9 on both faces, category NN. It does not work by reflection, so it does not need an air gap in front of it and can sit directly against the frame. That makes it simpler to detail than a foil sarking, and unlike foil it is non-conductive.\u003c\/p\u003e\n\u003ch3\u003eStrength and fire\u003c\/h3\u003e\n\u003cp\u003eTensile strength is 10.4 kN\/m machine direction against a 9.5 minimum, edge tear 512 N against a 45 minimum, and it retains 85% of tensile strength after UV exposure. Flammability classification is Low, 5 or lower, and it complies with AS 3959-2018 for all Bushfire Attack Levels from BAL Low through to Flame Zone. Get independent advice before locking a sarking into a BAL design.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eInstall to AS 4200.2 with the printed face out, and lap the joints down the slope so water always runs over a joint rather than into it. Suitable for Australian climate zones 2 to 8. Durability drops in industrial or farm buildings where the air carries chemicals, so ask us first if that is the setting.\u003c\/p\u003e\n\u003cp\u003eFull permeance, strength and fire figures are in the table below. For where a membrane sits against the blanket and the sheeting, see \u003ca href=\"\/blogs\/blog\/metal-roof-insulation-australia\"\u003eMetal roof insulation in Australia\u003c\/a\u003e.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"Default Title","offer_id":45225009545398,"sku":"TSVTRWC-45","price":221.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Trade-Select-VapourTech-RWC-Roof-Wall-Commercial-1024-x-1024.webp?v=1782756324"},{"product_id":"trade-select-vapourtech-wall","title":"Trade Select VapourTech® Wall","description":"\u003cp\u003eTrade Select VapourTech Wall is a Class 4 vapour permeable residential wall wrap, 0.45 mm thick, stocked in a 1500 mm x 30 m roll covering 45 m² and a 3050 mm x 30 m roll covering 91.5 m². Light Wall duty to AS\/NZS 4200.1:2017.\u003c\/p\u003e\n\u003ch3\u003eHighly permeable, by design\u003c\/h3\u003e\n\u003cp\u003eVapour permeance is 3.764 µg\/N·s, which is high even for a Class 4 membrane. The wall can dry outward readily, while the wrap still works as a water barrier to AS\/NZS 4201.4 and as an air barrier. In a residential wall that is usually what you want, because the moisture load comes from inside the house.\u003c\/p\u003e\n\u003ch3\u003eNon-reflective, so simpler to detail\u003c\/h3\u003e\n\u003cp\u003eEmittance is 0.58 and 0.56 on the two faces, category NN. It does not work by reflection, so there is no air gap to preserve and it can sit directly against the frame. It is also non-conductive, unlike a foil wrap.\u003c\/p\u003e\n\u003ch3\u003eThe 3050 mm roll\u003c\/h3\u003e\n\u003cp\u003eAt just over three metres wide it runs a full storey in one piece, so the horizontal join disappears and there is one less lap to tape. On a long elevation that is the difference the wide roll buys, and it is the reason to pay more per roll for the same square metre rate.\u003c\/p\u003e\n\u003ch3\u003eStrength\u003c\/h3\u003e\n\u003cp\u003eBall burst 215 N against a 200 minimum, edge tear 189 N machine direction against a 45 minimum, and 0.0% shrinkage against a 0.5% limit. Flammability classification Low.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"1500 mm x 30 m (45 m²)","offer_id":45225009578166,"sku":"TSVTW-45","price":107.0,"currency_code":"AUD","in_stock":true},{"title":"3050 mm x 30 m (91.5 m²)","offer_id":45385995387062,"sku":"TSVTW-91","price":258.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/TradeSelect-VapourTech-Wall-1024x1024-2.webp?v=1782756325"},{"product_id":"trade-select-vapourtech-brane-vhp","title":"Trade Select™ VapourTech® Brane® VHP","description":"\u003cp\u003eTrade Select VapourTech Brane VHP is a vapour permeable membrane from Ametalin, stocked in four roll sizes from 1370 x 30 m covering 41.5 m² up to 3050 x 30 m covering 91.5 m².\u003c\/p\u003e\n\u003ch3\u003eVHP means very high permeability\u003c\/h3\u003e\n\u003cp\u003eA high permeability membrane lets water vapour move out of the structure readily while still shedding liquid water from outside. That combination is what lets a wall dry outward instead of holding moisture in the frame, and it is the reason permeable membranes moved up the priority list in recent code cycles. \u003ca href=\"\/blogs\/blog\/metal-roof-condensation-australia\"\u003eCondensation and what NCC 2022 asks for\u003c\/a\u003e covers the reasoning.\u003c\/p\u003e\n\u003ch3\u003eThe wide rolls\u003c\/h3\u003e\n\u003cp\u003eThe 2740 mm and 3050 mm rolls run a full storey in one piece and remove the horizontal join. On a commercial elevation that is the main reason to choose them.\u003c\/p\u003e\n\u003cp\u003eFor declared permeance, duty classification, strength and BAL figures, \u003ca href=\"\/pages\/contact\"\u003eask us\u003c\/a\u003e and we will send the current Ametalin data sheet.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"1370 mm x 30 m (41.1 m²)","offer_id":45225009643702,"sku":"TSVHP-41","price":73.15,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 30 m (45 m²)","offer_id":45225009676470,"sku":"TSVHP-45","price":75.6,"currency_code":"AUD","in_stock":true},{"title":"2740 mm x 30 m (82.2 m²)","offer_id":45225009709238,"sku":"TSVHP-82","price":170.0,"currency_code":"AUD","in_stock":true},{"title":"3050 mm x 30 m (91.5 m²)","offer_id":45225009742006,"sku":"TSVHP-91","price":186.0,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 30 m (45 m²) white faced","offer_id":45385995190454,"sku":"TSVHP-W-45","price":84.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Trade-Select-VapourTech-Brane-VHP-768x768-1.webp?v=1782756325"},{"product_id":"trade-select-wall-wrap-breather","title":"Trade Select Wall Wrap Micro-perforated (Breather)","description":"\u003cp\u003eTrade Select Wall Wrap Micro-perforated is the vapour permeable version of Ametalin's reflective wall wrap. Stocked in Light, Medium and Heavy Duty, each in 1350 mm and 1500 mm widths and 30 m or 60 m rolls. Coverage runs from 40.5 m² to 90 m² per roll.\u003c\/p\u003e\n\u003ch3\u003eBreather, not barrier\u003c\/h3\u003e\n\u003cp\u003eLight and Medium Duty are perforated to Class 4, at 1.600 and 1.717 µg\/N·s. Heavy Duty is Class 3, at 0.3341 µg\/N·s. All three let the wall dry outward instead of holding moisture against the frame. If the design calls for a vapour barrier instead, the solid version is \u003ca href=\"\/products\/trade-select-wall-wrap\"\u003eTrade Select Wall Wrap\u003c\/a\u003e, which is Class 2.\u003c\/p\u003e\n\u003ch3\u003eCheck the climate zone before picking Heavy Duty\u003c\/h3\u003e\n\u003cp\u003eNCC 2022 sets a minimum vapour permeance for a membrane on the outside of the wall insulation. Zones 4 and 5 need 0.143 µg\/N·s, so any of the three will do. Zones 6, 7 and 8 need 1.14 µg\/N·s, which only Class 4 reaches. Melbourne is zone 6, so there it is Light or Medium Duty. Ametalin do not recommend any of the three for wet tropical zones.\u003c\/p\u003e\n\u003ch3\u003eIt is not a water barrier\u003c\/h3\u003e\n\u003cp\u003eAll three duties are classified Non-Water Barrier. Perforating a membrane to let vapour out also lets liquid water through, so these belong behind a masonry leaf or a drained cavity where the outer skin sheds the rain. They are not the wrap for direct fixed cladding.\u003c\/p\u003e\n\u003ch3\u003eChoosing the duty\u003c\/h3\u003e\n\u003cp\u003eThe barrier classifications match apart from the vapour class. The difference shows up before the cladding goes on, while the frame stands wrapped and exposed. Light Duty is 0.09 mm, 10.9 kN\/m machine direction with 444 N edge tear. Medium Duty is 0.10 mm and 11.5 kN\/m against a higher minimum. Heavy Duty is 0.12 mm, 13.7 kN\/m and 565 N edge tear.\u003c\/p\u003e\n\u003ch3\u003eChoose the roll length from the elevation\u003c\/h3\u003e\n\u003cp\u003eThe 60 m rolls halve the number of end joins on a long run, and every join is a line that has to be lapped and taped correctly.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eTape the joins and seal the penetrations with \u003ca href=\"\/products\/trade-select-quicktape\"\u003eQuickTape\u003c\/a\u003e, which is the tape Ametalin specify for permeable membranes. Keep the foil face to the cavity so the reflective side can work. The wrap is electrically conductive, so keep it clear of wiring. Full figures are in the table below.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"Light Duty \/ 1350 mm x 30 m (40.5 m²)","offer_id":45225010135222,"sku":"TSLD-40-B","price":52.2,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1350 mm x 60 m (81 m²)","offer_id":45225010167990,"sku":"TSLD-81-B","price":106.0,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1500 mm x 30 m (45 m²)","offer_id":45225010200758,"sku":"TSLD-45-B","price":57.6,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1500 mm x 60 m (90 m²)","offer_id":45225010233526,"sku":"TSLD-90-B","price":117.0,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1350 mm x 30 m (40.5 m²)","offer_id":45225010004150,"sku":"TSMD-40-B","price":67.0,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1350 mm x 60 m (81 m²)","offer_id":45225010036918,"sku":"TSMD-81-B","price":125.0,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1500 mm x 30 m (45 m²)","offer_id":45225010069686,"sku":"TSMD-45-B","price":70.0,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1500 mm x 60 m (90 m²)","offer_id":45225010102454,"sku":"TSMD-90-B","price":132.0,"currency_code":"AUD","in_stock":true},{"title":"Heavy Duty \/ 1350 mm x 30 m (40.5 m²)","offer_id":67644864659638,"sku":"TSHD-40-B","price":77.0,"currency_code":"AUD","in_stock":true},{"title":"Heavy Duty \/ 1350 mm x 60 m (81 m²)","offer_id":67644864692406,"sku":"TSHD-81-B","price":145.0,"currency_code":"AUD","in_stock":true},{"title":"Heavy Duty \/ 1500 mm x 30 m (45 m²)","offer_id":67644864725174,"sku":"TSHD-45-B","price":82.0,"currency_code":"AUD","in_stock":true},{"title":"Heavy Duty \/ 1500 mm x 60 m (90 m²)","offer_id":67644864757942,"sku":"TSHD-90-B","price":156.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/TradeSelect-Sarking-Micro-perforated-LD-1024x1024-1.webp?v=1782756327"},{"product_id":"proctorwrap","title":"ProctorWrap™ RW","description":"\u003cp\u003eProctorWrap RW is a vapour permeable residential wall wrap from Proctor Group, stocked in four roll sizes: 1500 x 30 m covering 45 m², 1500 x 50 m covering 75 m², 1750 x 25 m covering 68.75 m², and 3000 x 30 m covering 90 m².\u003c\/p\u003e\n\u003ch3\u003eThe wide roll is worth considering\u003c\/h3\u003e\n\u003cp\u003eEvery horizontal join in a wall wrap has to be lapped and taped properly to keep working. The 3000 mm roll runs a full storey height in one piece and removes that line entirely, which on a two storey house is a real saving in both time and risk.\u003c\/p\u003e\n\u003ch3\u003eResidential or commercial\u003c\/h3\u003e\n\u003cp\u003eRW is the residential grade. For commercial work, \u003ca href=\"\/products\/proctorwrap-cw\"\u003eProctorWrap CW\u003c\/a\u003e is the heavier specification with published system R-values.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eTape the joins and seal the penetrations, or the wrap is not a weather barrier. Get the cladding on reasonably promptly rather than leaving the wrap exposed for months.\u003c\/p\u003e\n\u003cp\u003eFor declared permeance, duty classification and BAL figures, \u003ca href=\"\/pages\/contact\"\u003eask us\u003c\/a\u003e and we will send the current Proctor data sheet.\u003c\/p\u003e","brand":"Proctor Group","offers":[{"title":"1500x30m (45m2)","offer_id":45225010659510,"sku":"SQ5344876","price":108.1,"currency_code":"AUD","in_stock":true},{"title":"1500x50m (75m2)","offer_id":45225010692278,"sku":"SQ0447407","price":211.3,"currency_code":"AUD","in_stock":true},{"title":"1750x25m (68.75m2)","offer_id":45225010725046,"sku":"SQ1433844","price":185.8,"currency_code":"AUD","in_stock":true},{"title":"3000x30m (90m2)","offer_id":45225010757814,"sku":"SQ1058095","price":218.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/RW1-for-Website.webp?v=1782756330"},{"product_id":"proctorwrap-cw","title":"ProctorWrap™ CW","description":"\u003cp\u003eProctorWrap CW is a Class 4 vapour permeable commercial wall wrap, a three layer spun bonded polyolefin membrane thermally calendared together. 1500 mm x 50 m covering 75 m², in plain and CW-IT integrated tape versions.\u003c\/p\u003e\n\u003ch3\u003eSystem R-values, not just a membrane figure\u003c\/h3\u003e\n\u003cp\u003eProctor quotes total system values for common build-ups: RT 3.0 summer and 3.2 winter in a brick veneer wall, RT 2.8 and 3.1 in battened lightweight cladding, and RT 2.6 and 2.9 direct fixed. Those numbers show how much the build-up around the wrap matters compared with the wrap itself.\u003c\/p\u003e\n\u003ch3\u003eWhere it suits, and where it does not\u003c\/h3\u003e\n\u003cp\u003eRecommended for warm to cold climate zones, and specifically not recommended in tropical zones where the outside air is more humid than inside. A vapour permeable wrap works by letting moisture move in the drier direction, so if the humidity gradient runs the other way the logic reverses. Worth checking before specifying it on a northern job.\u003c\/p\u003e\n\u003ch3\u003eHandling\u003c\/h3\u003e\n\u003cp\u003eIt is not made to take prolonged UV or weather, so get the cladding on as soon as practical. Store it cool, dry, out of sunlight and away from wet concrete and alkaline materials. Burst strength 200 N or more, shrinkage 0.5% or lower.\u003c\/p\u003e\n\u003ch3\u003eBushfire\u003c\/h3\u003e\n\u003cp\u003eSuitable for BAL 12.5 through to Flame Zone under AS 3959, flammability index 5 or lower.\u003c\/p\u003e\n\u003cp\u003eFull figures and product codes are in the table below.\u003c\/p\u003e","brand":"Proctor Group","offers":[{"title":"1500x50m (75m2)","offer_id":45225010823350,"sku":"SQ3862218","price":207.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/CW1-for-Website.webp?v=1782756331"},{"product_id":"r20-pink-wall-batts","title":"R2.0 Pink Wall Batts","description":"\u003cp\u003eR2.0 Pink Wall Batts are 90 mm FBS-1 bio-soluble glasswool batts from Fletcher, sized for a standard residential stud wall.\u003c\/p\u003e\n\u003ch3\u003eBig packs, which matters on a house lot\u003c\/h3\u003e\n\u003cp\u003e24 batts to a pack in both widths at 1160 mm long. The 430 mm covers 11.97 m² per pack and the 580 mm covers 16.15 m². Those are among the largest wall pack coverages we stock, so a whole house takes fewer packs and fewer trips than most alternatives at the same R-value.\u003c\/p\u003e\n\u003ch3\u003eFire and bushfire\u003c\/h3\u003e\n\u003cp\u003eNon-combustible to AS 1530.1 and rated BAL Low through to Flame Zone under AS 3959. It meets NCC 2022 clause C2D10(1) for non-combustibility and the thermal rating complies with AS\/NZS 4859.1 per Volume 1 J4D3(1) and Housing Provisions 3.12.2(1).\u003c\/p\u003e\n\u003ch3\u003eIf you need more from the same wall\u003c\/h3\u003e\n\u003cp\u003eA 90 mm stud sets the depth, so the only way up is a denser batt. \u003ca href=\"\/products\/r25hd-pink-wall-batts\"\u003eR2.5HD Pink\u003c\/a\u003e reaches R2.5 in the same 90 mm cavity.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fits between standard wall studs and holds without fixings. Let the batts recover to full thickness before installing, and do not compress them into a narrower bay. The batt should touch the frame on all four sides.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"R2.0 1160x430x90mm (12m2\/pk)","offer_id":45225012592822,"sku":"4006093","price":58.5,"currency_code":"AUD","in_stock":true},{"title":"R2.0 1160x580x90mm (16.1m2\/pk)","offer_id":45225012625590,"sku":"4006094","price":79.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/opt_27222_PINK_BATTS_430_WALL_HIRES.webp?v=1783063918"},{"product_id":"r25hd-pink-wall-batts","title":"R2.5HD Pink Wall Batts","description":"\u003cp\u003eR2.5HD Pink Wall Batts are high density FBS-1 bio-soluble glasswool at 90 mm. The HD is the point: it reaches R2.5 in a standard 90 mm cavity, which a normal density batt at that thickness cannot do.\u003c\/p\u003e\n\u003ch3\u003eWhy density is the lever in a wall\u003c\/h3\u003e\n\u003cp\u003eYou can add depth to a ceiling. You cannot add depth to a wall without changing the frame. So when an assessment asks for more than R2.0 out of a 90 mm stud, the answer is a denser batt rather than a thicker one. That is exactly what this is.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eTwelve batts per pack at 1160 mm long: 430 mm wide covering 5.99 m² and 580 mm wide covering 8.07 m². Coverage per pack is roughly half the standard \u003ca href=\"\/products\/r20-pink-wall-batts\"\u003eR2.0 Pink\u003c\/a\u003e pack, so budget for about twice the packs over the same wall area.\u003c\/p\u003e\n\u003ch3\u003eFire and bushfire\u003c\/h3\u003e\n\u003cp\u003eNon-combustible to AS 1530.1, rated BAL Low through to Flame Zone under AS 3959, and it meets NCC 2022 clause C2D10(1).\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fits between studs. Let the batts recover to full thickness before installing and do not compress them, because a high density batt squashed further gives up the very thing you paid for.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"R2.5HD 1160x430x90mm 430 (6m2\/pk)","offer_id":45225012756662,"sku":"4006071","price":53.1,"currency_code":"AUD","in_stock":true},{"title":"R2.5HD 1160x580x90mm 580 (8.1m2\/pk)","offer_id":45225012789430,"sku":"4006072","price":72.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Pink-Batts-Wall-blank-label_e69d6262-b3e9-4895-b48c-e6e64c8aa74a.webp?v=1782756343"},{"product_id":"sisalation-vapawrap","title":"Sisalation Vapawrap","description":"\u003cp\u003eSisalation Vapawrap is a wall wrap from Fletcher, stocked in three roll sizes: 1350 x 30 m covering 40.5 m², 1500 x 30 m covering 45 m², and 2700 x 30 m covering 81 m².\u003c\/p\u003e\n\u003ch3\u003eThe wide roll\u003c\/h3\u003e\n\u003cp\u003eAt 2700 mm the roll runs a full storey height in one piece, which removes the horizontal lap line completely. Every lap is a join that has to be taped correctly to keep the barrier working, so removing them is worth more than the material saving on a large elevation.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eTape the joins and seal the penetrations. An untaped wall wrap is not a weather or air barrier, and this is the step most often skipped on site.\u003c\/p\u003e\n\u003ch3\u003eBefore you specify it\u003c\/h3\u003e\n\u003cp\u003eWe have not published a technical data table for this one yet. If you need the declared permeance, duty classification or BAL rating for a submission, \u003ca href=\"\/pages\/contact\"\u003eask us\u003c\/a\u003e and we will send the current Fletcher data sheet.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"1350x30m (40.5m2)","offer_id":45225014001846,"sku":"SQ8100383","price":123.6,"currency_code":"AUD","in_stock":true},{"title":"1500x30m (45m2)","offer_id":45225014034614,"sku":"SQ9737631","price":137.55,"currency_code":"AUD","in_stock":true},{"title":"2700x30 (81m2)","offer_id":45225014067382,"sku":"SQ0460543","price":238.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/sisalation-vapawrap-1600.webp?v=1783063851"},{"product_id":"ametalin-thermal-brane-gp4-foil-insulation","title":"Trade Select ThermalBrane GP™ Reflective Foam Insulation","description":"\u003cp\u003eTrade Select ThermalBrane GP is a double sided reflective foam insulation built around a 4 mm cross linked closed cell XPE foam core with aluminium foil on both faces. Ametalin describe it as a three in one product: reflective insulation, thermal break and medium vapour barrier. Two roll sizes, 1500 mm x 20 m and 1500 mm x 30 m.\u003c\/p\u003e\n\u003ch3\u003eWhat the foam core adds\u003c\/h3\u003e\n\u003cp\u003eA plain foil membrane gives you reflection and nothing else. The 4 mm foam core adds a material R-value of R0.1 and, more usefully, a physical separation that reduces conduction where the product sits between two building elements. That is what makes it usable as a thermal break rather than only as a sarking.\u003c\/p\u003e\n\u003ch3\u003eReflective on both sides\u003c\/h3\u003e\n\u003cp\u003e97% reflective at 0.03 emissivity on the bright side and 96% at 0.04 on the anti-glare side. Both faces need an air space in front of them to contribute. Ametalin declare RT 1.1 winter for a ventilated 22 degree tile roof, RT 1.2 winter for a steel stud framed wall, and RT 2.1 for a brick veneer or double brick cavity wall.\u003c\/p\u003e\n\u003ch3\u003eExtra heavy duty\u003c\/h3\u003e\n\u003cp\u003eTensile strength 15.6 kN\/m machine direction against a 13.0 kN\/m minimum, edge tear 853 N against 90 N. High water penetration resistance and a Medium vapour barrier classification. It complies with AS 3959-2009 for wall systems from BAL Low through to Flame Zone.\u003c\/p\u003e\n\u003ch3\u003eWhere it goes\u003c\/h3\u003e\n\u003cp\u003eRoofs, walls and floors, in houses and in commercial sheds. In a roof it is laid over the rafters as a continuous membrane with the blue anti-glare side facing out, lapped no less than 150 mm, and there is a 150 mm flap on the roll for that. It is fibre free and non-allergenic, which is a real advantage in a shed where the underside stays exposed.\u003c\/p\u003e\n\u003ch3\u003eTwo cautions\u003c\/h3\u003e\n\u003cp\u003eAluminium corrodes in contact with wet concrete or mortar, so keep it clear of both. Within 500 m of the sea, or in an agricultural shed, face the foil into an enclosed unvented air space. Foil insulation is electrically conductive and installation carries real risk, so follow the AFIA work method statements.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"1500 mm x 30 m (45 m²)","offer_id":45348799840438,"sku":"TSTBGP-45","price":393.0,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 20 m (30 m²)","offer_id":45385995419830,"sku":"TSTBGP-30","price":298.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/trade-select-thermalbreak-7-foil-insulation-768x977.jpg?v=1786405525"},{"product_id":"r4-0-hp-bradford-gold-wall-batts-140mm","title":"R4.0 HP Bradford Gold Wall Batts 140mm","description":"\u003cp\u003eR4.0 HP Bradford Gold is a high density non-combustible glasswool wall batt at 140 mm, for deep stud walls rather than standard residential framing.\u003c\/p\u003e\n\u003ch3\u003eThis needs a 140 mm frame\u003c\/h3\u003e\n\u003cp\u003eIt is not a batt you fit into a 90 mm wall. At 140 mm it belongs in a deliberately deep wall, the kind built for a high energy rating, a passive design, or a commercial wall build-up where the frame was sized for the insulation from the start. Check the actual stud depth before ordering, because there is no way to make this work in a shallower cavity.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eFive batts per pack in two sizes at 1160 mm long: 420 mm wide covering 2.44 m² and 570 mm wide covering 3.31 m².\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit so the batt touches the frame on all four sides. No gaps, and no compression, which matters more at this density than anywhere else in the range.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (5 per pack, 2.44 m²)","offer_id":45351820492982,"sku":"181432","price":62.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (5 per pack, 3.31 m²)","offer_id":45351820525750,"sku":"181416","price":83.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r4-0-bradford-gold-wall-batts.jpg?v=1786540075"},{"product_id":"bradford-enviroseal-cw-wall-wrap","title":"Bradford Enviroseal CW Wall Wrap","description":"\u003cp\u003eBradford Enviroseal CW is the commercial weight Class 4 vapour permeable wall wrap: a higher GSM triple layer spun bond with more tear and puncture resistance than the RW grades, while still being light to handle.\u003c\/p\u003e\n\u003ch3\u003eWhere the extra weight pays\u003c\/h3\u003e\n\u003cp\u003eCommercial walls stand wrapped longer, take more traffic from other trades, and sit higher in the wind. The failure mode is almost always mechanical damage before cladding, not a performance shortfall. A tougher membrane survives that stage, which is the practical reason to specify CW over the lighter grades.\u003c\/p\u003e\n\u003ch3\u003eTwo options\u003c\/h3\u003e\n\u003cp\u003eCW Wall Wrap and CW-IT with integrated tape, both 1500 mm x 50 m covering 75 m². The IT version carries its own tape strip, which speeds up sealing and takes one consumable off the site list.\u003c\/p\u003e\n\u003ch3\u003eStill a breather\u003c\/h3\u003e\n\u003cp\u003eClass 4 permeability, so the wall can dry outward while the membrane blocks liquid water and draughts once taped and sealed. Non-reflective, so no air gap is required in front of it.\u003c\/p\u003e\n\u003cp\u003eSuitable for BAL 12.5 through to Flame Zone when installed to specification. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"CW Wall Wrap, 1500 mm x 50 m (75 m²)","offer_id":45351447134390,"sku":"114175","price":452.0,"currency_code":"AUD","in_stock":true},{"title":"CW-IT Wall Wrap, 1500 mm x 50 m (75 m²)","offer_id":45351447167158,"sku":"134863","price":562.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-enviroseal-cw-wall-wrap.jpg?v=1786540076"},{"product_id":"bradford-acoustigard-partition-batts-14kg-m-75mm","title":"Bradford Acoustigard Partition Batts 14kg\/m³ 75mm","description":"\u003cp\u003eBradford Acoustigard partition batts at 14 kg\/m³, 75 mm thick, sized 1200 x 450 mm and packed 14 to a pack covering 7.56 m². Non-combustible glasswool for commercial partition walls.\u003c\/p\u003e\n\u003ch3\u003eSpecified by density\u003c\/h3\u003e\n\u003cp\u003eCommercial partition systems name the batt density, because that is what the tested wall was built with. Acoustigard runs at 11, 14 and 24 kg\/m³. If your system report says 14 kg\/m³, this is the batt, and swapping to a different density means the report no longer describes the wall you built.\u003c\/p\u003e\n\u003ch3\u003eBatts or roll\u003c\/h3\u003e\n\u003cp\u003eThe same 14 kg\/m³ product also comes as a \u003ca href=\"\/products\/bradford-acoustigard-partition-roll-14kg-m\"\u003eroll\u003c\/a\u003e in several thicknesses. Batts suit a set stud spacing and go in fast. A roll suits long runs and lets you cut to length as you go. Choose on how the wall is framed and how much cutting you want to do on site.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the studs, touching the frame on all four sides. In acoustic work an edge gap costs more than most people expect, because sound takes any path air can take.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. The CSR product code is in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1200 x 450 mm (14 per pack, 7.56 m²)","offer_id":45351819706550,"sku":"196982","price":53.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-acoustigard-partition-batts-14kg-m.jpg?v=1786540075"},{"product_id":"bradford-thermoseal-wall-wrap-xp","title":"Bradford Thermoseal Wall Wrap XP","description":"\u003cp\u003eBradford Thermoseal Wall Wrap XP is a wall sarking with a semi-reflective antiglare face, aimed at residential and commercial walls in humid climates.\u003c\/p\u003e\n\u003ch3\u003eWhat the antiglare face changes\u003c\/h3\u003e\n\u003cp\u003eA bright foil wrap on a sunlit wall frame is hard to work against, and the glare is worse on a large commercial elevation than on a house. The antiglare face cuts that without giving up the radiant heat function. It is the same idea as an antiglare roofing blanket, applied to a wall.\u003c\/p\u003e\n\u003ch3\u003eIt is still a vapour barrier\u003c\/h3\u003e\n\u003cp\u003eXP limits moisture entry rather than letting vapour through. In a humid climate that cuts both ways, so check the wall build-up rather than assuming a barrier is always the safer option. Where the design needs vapour to escape outward, the vapour permeable \u003ca href=\"\/products\/bradford-enviroseal-rw-wall-wrap\"\u003eEnviroseal\u003c\/a\u003e range is the alternative.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003e1350 mm x 30 m covering 40.5 m² and 1350 mm x 60 m covering 81 m². Medium duty tear resistant laminate, built to sit behind brickwork and cladding long term.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eTape the joins and seal the penetrations. The reflective face needs an air gap in front of it. Suitable for BAL 12.5 through to Flame Zone when installed to specification.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1350 mm x 30 m (40.5 m²)","offer_id":45351449723062,"sku":"125825","price":123.0,"currency_code":"AUD","in_stock":true},{"title":"1350 mm x 60 m (81 m²)","offer_id":45351449755830,"sku":"124652","price":246.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-thermoseal-wall-wrap-xp.jpg?v=1786540208"},{"product_id":"bradford-rockwool-fireseal-party-wall-batts-100mm","title":"Bradford Rockwool Fireseal Party Wall Batts 100mm","description":"\u003cp\u003eBradford Rockwool Fireseal party wall batts are non-combustible stone wool, 100 mm thick, cut 1200 x 168 mm and packed 5 to a pack. They seal the vertical joints in Class 1 party walls.\u003c\/p\u003e\n\u003ch3\u003eWhat a party wall joint has to do\u003c\/h3\u003e\n\u003cp\u003eIn attached housing the party wall is the fire separation between two dwellings. The joints in that wall are the weak point, and a joint packed with combustible material or left with a void does not maintain the separation the wall was designed for. Non-combustible stone wool holds its form and its integrity under heat, which is what keeps the joint doing its job.\u003c\/p\u003e\n\u003ch3\u003eIt also does thermal work\u003c\/h3\u003e\n\u003cp\u003eA sealed party wall joint is a sealed acoustic and thermal path as well, so this is not only a fire detail. That is a side benefit rather than the reason to specify it.\u003c\/p\u003e\n\u003ch3\u003eBefore you order\u003c\/h3\u003e\n\u003cp\u003eFire performance belongs to the tested system, not to the batt alone. Work from the specification for your wall type and confirm the product matches it. Ask us if you need the manufacturer documentation.\u003c\/p\u003e\n\u003cp\u003ePack detail and the CSR product code are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1200 x 168 mm (5 per pack)","offer_id":45351819772086,"sku":"119161","price":145.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-rockwool-fireseal-party-and-curtain-wall-batts.jpg?v=1786540345"},{"product_id":"r3-1-bradford-soundscreen-acoustic-batts-110mm","title":"R3.1 Bradford SoundScreen Acoustic Batts 110mm","description":"\u003cp\u003eR3.1 Bradford SoundScreen is a higher density non-combustible glasswool acoustic batt at 110 mm, the deepest in the SoundScreen range.\u003c\/p\u003e\n\u003ch3\u003eWhere a 110 mm acoustic batt belongs\u003c\/h3\u003e\n\u003cp\u003eDeeper stud walls and midfloors, and rooms where the noise problem is worth solving properly: home theatres, media rooms, a bedroom against a living area, or a floor above a garage. The extra depth gives the cavity more material to absorb sound energy, and it brings the thermal figure up as a side benefit.\u003c\/p\u003e\n\u003ch3\u003eWhat Rw will I get\u003c\/h3\u003e\n\u003cp\u003eRw is a property of the whole system, not of the batt. Lining, framing, fixings and gaps all move it. Tell us the build-up and we will send the system report that matches.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSix batts per pack at 1160 mm long: 430 mm wide covering 2.99 m² and 580 mm wide covering 4.04 m². The cavity has to be at least 110 mm deep for the batt to sit at full thickness. In a 90 mm wall use the \u003ca href=\"\/products\/r2-5-bradford-soundscreen-acoustic-batts-88mm\"\u003e88 mm version\u003c\/a\u003e instead of compressing this one.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit, touching the frame on all four sides, no gaps at the top, bottom or edges.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (6 per pack, 2.99 m²)","offer_id":45351821672630,"sku":"182314","price":61.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (6 per pack, 4.04 m²)","offer_id":45351821705398,"sku":"182315","price":82.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r3-1-bradford-soundscreen-acoustic-batts.jpg?v=1786564869"},{"product_id":"r2-7-hp-bradford-gold-wall-batts-90mm","title":"R2.7 HP Bradford Gold Wall Batts 90mm","description":"\u003cp\u003eR2.7 HP Bradford Gold is the highest R-value the Bradford Gold range reaches in a 90 mm stud wall. High density non-combustible glasswool.\u003c\/p\u003e\n\u003ch3\u003eThe top of what 90 mm can do\u003c\/h3\u003e\n\u003cp\u003eIf the assessment asks for more than R2.7 in a wall, the batt is no longer the variable. At that point you are looking at a deeper frame, or at adding performance outside the frame with a wall wrap or a rigid board. Getting there by compressing a thicker batt into 90 mm does not work, because a compressed batt does not hold its rating.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eFive batts per pack across four sizes: 1160 x 420 mm covering 2.44 m², 1200 x 450 mm covering 2.7 m², 1160 x 570 mm covering 3.31 m² and 1200 x 600 mm covering 3.6 m². These are small packs, so a whole house takes a lot of them. Count the wall area properly before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit against the frame on all four sides, no gaps, no compression.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (5 per pack, 2.44 m²)","offer_id":45351821115574,"sku":"152191","price":50.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (5 per pack, 2.7 m²)","offer_id":45351821148342,"sku":"127780","price":54.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (5 per pack, 3.31 m²)","offer_id":45351821181110,"sku":"152197","price":67.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (5 per pack, 3.6 m²)","offer_id":45351821213878,"sku":"126512","price":72.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-7-bradford-gold-wall-batts.jpg?v=1786540541"},{"product_id":"r2-5-hp-bradford-gold-wall-batts-90mm","title":"R2.5 HP Bradford Gold Wall Batts 90mm","description":"\u003cp\u003eR2.5 HP Bradford Gold is a high density non-combustible glasswool wall batt that reaches R2.5 in a standard 90 mm stud. It is the usual answer when the wall has to do better than R2.0 and the frame is not changing.\u003c\/p\u003e\n\u003ch3\u003eFour sizes\u003c\/h3\u003e\n\u003cp\u003eNine batts per pack across all four: 1160 x 420 mm covering 4.38 m², 1200 x 450 mm covering 4.86 m², 1160 x 570 mm covering 5.95 m² and 1200 x 600 mm covering 6.48 m². Which one fits depends on the clear width between your studs, so measure a real cavity rather than working from nominal centres.\u003c\/p\u003e\n\u003ch3\u003eWhere it sits\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/r2-0-bradford-gold-wall-batts-90mm\"\u003eR2.0 standard\u003c\/a\u003e is the cheaper option in the same 90 mm if the assessment allows it, and \u003ca href=\"\/products\/r2-7-hp-bradford-gold-wall-batts-90mm\"\u003eR2.7 HP\u003c\/a\u003e is the next step up in the same thickness.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit against the frame on all four sides, no gaps at the top, bottom or edges. Do not compress a batt into a narrow bay, because a high density batt squashed further gives up exactly what you paid the premium for.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (9 per pack, 4.38 m²)","offer_id":45351820984502,"sku":"181430","price":47.5,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (9 per pack, 4.86 m²)","offer_id":45351821017270,"sku":"181412","price":54.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (9 per pack, 5.95 m²)","offer_id":45351821050038,"sku":"181471","price":67.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (9 per pack, 6.48 m²)","offer_id":45351821082806,"sku":"181433","price":71.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-5-bradford-gold-wall-batts.jpg?v=1786540647"},{"product_id":"r2-2-bradford-gold-wall-batts-90mm","title":"R2.2 Bradford Gold Wall Batts 90mm","description":"\u003cp\u003eR2.2 Bradford Gold is a 90 mm non-combustible glasswool wall batt, a small step above the standard R2.0 in the same stud depth.\u003c\/p\u003e\n\u003ch3\u003eWhere the extra 0.2 comes from\u003c\/h3\u003e\n\u003cp\u003eSame 90 mm cavity, slightly more performance. It is worth taking when the energy assessment lands just short on the wall figure and you do not want to change the frame or move to a high density batt. If you need more than this out of 90 mm, the HP range goes to \u003ca href=\"\/products\/r2-5-hp-bradford-gold-wall-batts-90mm\"\u003eR2.5\u003c\/a\u003e and \u003ca href=\"\/products\/r2-7-hp-bradford-gold-wall-batts-90mm\"\u003eR2.7\u003c\/a\u003e at the same thickness.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eTwo sizes, both 16 batts per pack at 1160 mm long: 430 mm wide covering 7.98 m² and 580 mm wide covering 10.77 m². Measure the clear width between studs before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the studs, touching the frame on all four sides. Gaps at the edges cost more performance than most people expect, and squashing a batt into a narrow bay costs more again. Cut it to fit.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (16 per pack, 7.98 m²)","offer_id":45351820918966,"sku":"170351","price":64.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (16 per pack, 10.77 m²)","offer_id":45351820951734,"sku":"170227","price":86.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-2-bradford-gold-wall-batts.jpg?v=1786540648"},{"product_id":"bradford-thermoseal-wall-breather-class-4","title":"Bradford Thermoseal Wall Breather Class 4","description":"\u003cp\u003eBradford Thermoseal Wall Breather Class 4 is the unusual one in the Thermoseal range: a reflective foil faced wrap that is also Class 4 vapour permeable. Light duty reinforced laminate, made for brick veneer walls.\u003c\/p\u003e\n\u003ch3\u003eReflective and breathable at once\u003c\/h3\u003e\n\u003cp\u003eMost wraps make you choose. A foil wrap gives you a radiant heat barrier but holds vapour in. A spun bond breather lets vapour out but does nothing radiant. This one does both jobs: the foil faces the air gap and reflects, while the Class 4 permeability lets water vapour escape rather than accumulating in the wall. In a brick veneer wall, where the cavity behind the brick is exactly where moisture likes to sit, that combination is the point. \u003ca href=\"\/blogs\/blog\/metal-roof-condensation-australia\"\u003eCondensation and what NCC 2022 asks for\u003c\/a\u003e covers why permeability moved up the priority list.\u003c\/p\u003e\n\u003ch3\u003eTwo products, four rolls\u003c\/h3\u003e\n\u003cp\u003eThermoplast Class 4 and Thermoseal, each in 1350 mm x 30 m covering 40.5 m² and 1350 mm x 60 m covering 81 m².\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eKeep the air gap in front of the foil, or the reflective half of the product stops contributing. Suitable for BAL 12.5 through to Flame Zone when installed to specification.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"Thermoplast Class 4, 1350 mm x 30 m (40.5 m²)","offer_id":45351475118262,"sku":"486520","price":147.0,"currency_code":"AUD","in_stock":true},{"title":"Thermoplast Class 4, 1350 mm x 60 m (81 m²)","offer_id":45351475151030,"sku":"486521","price":294.0,"currency_code":"AUD","in_stock":true},{"title":"Thermoseal, 1350 mm x 30 m (40.5 m²)","offer_id":45351475183798,"sku":"101254","price":147.0,"currency_code":"AUD","in_stock":true},{"title":"Thermoseal, 1350 mm x 60 m (81 m²)","offer_id":45351475216566,"sku":"15123","price":294.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-thermoseal-wall-breather-class-4.jpg?v=1786540649"},{"product_id":"bradford-enviroseal-rw-plus-wall-wrap","title":"Bradford Enviroseal RW Plus Wall Wrap","description":"\u003cp\u003eBradford Enviroseal RW Plus is a Class 4 vapour permeable wall wrap, light duty triple layer spun bond, non-reflective. Same family as RW with a wider range of roll sizes.\u003c\/p\u003e\n\u003ch3\u003eChoose it for the roll size\u003c\/h3\u003e\n\u003cp\u003eThe performance story is the same as \u003ca href=\"\/products\/bradford-enviroseal-rw-wall-wrap\"\u003eEnviroseal RW\u003c\/a\u003e: Class 4 permeability so the wall can dry outward, plus a weather and draught barrier once taped and sealed. Where RW Plus earns its place is the size range. It runs from 1350 mm x 30 m at 41 m² through 1500 mm rolls in 30 m and 50 m, up to 2750 mm x 25 m at 68.75 m² and 3000 mm x 25 m at 75 m².\u003c\/p\u003e\n\u003ch3\u003eWide rolls remove joins\u003c\/h3\u003e\n\u003cp\u003eEvery horizontal join in a wall wrap is a line that has to be lapped and taped correctly to keep working. A roll tall enough to run a full storey removes that line entirely, which is worth more on a large elevation than the material saving.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eTape the joins and seal the penetrations. Non-reflective, so no air gap is needed in front of it. Suitable for BAL 12.5 through to Flame Zone when installed to specification.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1350 mm x 30 m (41 m²)","offer_id":45351476920502,"sku":"483000","price":157.0,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 30 m (45 m²)","offer_id":45351476953270,"sku":"478759","price":174.0,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 50 m (75 m²)","offer_id":45351476986038,"sku":"485832","price":290.0,"currency_code":"AUD","in_stock":true},{"title":"2750 mm x 25 m (68.75 m²)","offer_id":45351477018806,"sku":"481184","price":266.0,"currency_code":"AUD","in_stock":true},{"title":"3000 mm x 25 m (75 m²)","offer_id":45351477051574,"sku":"481185","price":290.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-enviroseal-rw-plus-wall-wrap.jpg?v=1786540741"},{"product_id":"r2-0-bradford-polymax-wall-batts-90mm","title":"R2.0 Bradford Polymax Wall Batts 90mm","description":"\u003cp\u003eR2.0 Bradford Polymax at 90 mm is the polyester wall batt for a standard residential stud wall at the most commonly specified wall R-value. Non-irritant, low allergen, up to 50% recycled material.\u003c\/p\u003e\n\u003ch3\u003eThe usual choice for a whole house\u003c\/h3\u003e\n\u003cp\u003eR2.0 in a 90 mm wall is the ordinary residential spec, and a whole house is a lot of batts to carry and cut. That is where polyester earns its price: no itch, no protective kit, lighter to handle. The \u003ca href=\"\/products\/r2-0-bradford-gold-wall-batts-90mm\"\u003eglasswool Gold equivalent\u003c\/a\u003e hits the same R-value and is the one quoted as non-combustible, so choose on which of those two things the job cares about.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eTwelve batts per pack in two sizes at 1160 mm long: 430 mm wide covering 5.99 m² and 580 mm wide covering 8.07 m². Measure the clear width between studs before ordering a full house lot.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the studs, touching the frame on all four sides, no gaps, no compression.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (12 per pack, 5.99 m²)","offer_id":45351819903158,"sku":"126871","price":126.35,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (12 per pack, 8.07 m²)","offer_id":45351819935926,"sku":"126873","price":170.05,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-0-bradford-polymax-wall-batts.jpg?v=1786564897"},{"product_id":"r1-5-bradford-polymax-wall-batts-75mm","title":"R1.5 Bradford Polymax Wall Batts 75mm","description":"\u003cp\u003eR1.5 Bradford Polymax is a 75 mm polyester wall batt. 100% thermally bonded polyester, non-irritant and low allergen, made from up to 50% recycled material.\u003c\/p\u003e\n\u003ch3\u003eWhy polyester in a wall\u003c\/h3\u003e\n\u003cp\u003eWalls are the batts people handle most, and they are usually installed at chest height with the frame open. Polyester does not itch and does not need the covered-up kit, which is why owner-builders and renovators pick it. The trade-off is that the polyester sheet does not carry a non-combustibility claim, so where the specification calls for non-combustible material, use a glasswool batt instead.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSixteen batts per pack in two sizes at 1160 mm long: 430 mm wide covering 7.98 m² and 580 mm wide covering 10.77 m². Measure the clear cavity width before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eCuts cleanly and friction fits between the studs. Touch the frame on all four sides, no gaps, no compression.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (16 per pack, 7.98 m²)","offer_id":45351819837622,"sku":"126817","price":118.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (16 per pack, 10.77 m²)","offer_id":45351819870390,"sku":"126818","price":159.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r1-5-bradford-polymax-wall-batts.jpg?v=1786564675"},{"product_id":"bradford-enviroseal-rw-wall-wrap","title":"Bradford Enviroseal RW Wall Wrap","description":"\u003cp\u003eBradford Enviroseal RW is a Class 4 vapour permeable wall wrap, a light duty triple layer spun bond membrane. Non-reflective, and built around condensation control rather than radiant heat.\u003c\/p\u003e\n\u003ch3\u003eWhy permeable\u003c\/h3\u003e\n\u003cp\u003eA wall that cannot dry outward holds whatever moisture gets into it, and moisture in a wall cavity is how framing and linings get damaged quietly over years. Class 4 permeability lets water vapour move out through the wrap while the membrane still blocks liquid water and draughts from outside. \u003ca href=\"\/blogs\/blog\/metal-roof-condensation-australia\"\u003eCondensation and what NCC 2022 asks for\u003c\/a\u003e explains the mechanism and why this became a bigger deal in recent code cycles.\u003c\/p\u003e\n\u003ch3\u003eSizes, including wide rolls\u003c\/h3\u003e\n\u003cp\u003e1500 mm x 30 m covering 45 m², 1500 mm x 50 m covering 75 m², 2750 mm x 25 m covering 68.75 m², 3000 mm x 25 m covering 75 m², and an RW-IT version with integrated tape at 1500 mm x 50 m. The 2750 and 3000 mm rolls cover a full storey height in one run, which removes horizontal joins on a commercial elevation.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eTape and seal it to work as a weather barrier. Being non-reflective, it does not need an air gap in front of it. Suitable for BAL 12.5 through to Flame Zone when installed to specification.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"RW Wall Wrap, 1500 mm x 30 m (45 m²)","offer_id":45351479902390,"sku":"167641","price":174.0,"currency_code":"AUD","in_stock":true},{"title":"RW Wall Wrap, 1500 mm x 50 m (75 m²)","offer_id":45351479935158,"sku":"118153","price":425.0,"currency_code":"AUD","in_stock":true},{"title":"RW Wall Wrap, 2750 mm x 25 m (68.75 m²)","offer_id":45351479967926,"sku":"138628","price":266.0,"currency_code":"AUD","in_stock":true},{"title":"RW Wall Wrap, 3000 mm x 25 m (75 m²)","offer_id":45351480000694,"sku":"155884","price":290.0,"currency_code":"AUD","in_stock":true},{"title":"RW-IT Wall Wrap, 1500 mm x 50 m (75 m²)","offer_id":45351480033462,"sku":"165532","price":412.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-enviroseal-rw-wall-wrap.jpg?v=1786540831"},{"product_id":"r2-5-bradford-soundscreen-acoustic-batts-88mm","title":"R2.5 Bradford SoundScreen Acoustic Batts 88mm","description":"\u003cp\u003eR2.5 Bradford SoundScreen is a higher density non-combustible glasswool acoustic batt at 88 mm, sized for a standard 90 mm stud wall.\u003c\/p\u003e\n\u003ch3\u003eThe one that fits a normal wall\u003c\/h3\u003e\n\u003cp\u003eMost internal residential walls are framed at 90 mm, which makes this the SoundScreen most people actually need. It fills the cavity properly at 88 mm, and it is denser than a thermal batt of the same thickness, which is where the acoustic performance comes from.\u003c\/p\u003e\n\u003ch3\u003eWhat Rw will I get\u003c\/h3\u003e\n\u003cp\u003eThe Rw figure belongs to the whole system, not the batt. Two walls with the same batt and different linings give different results, and a gap at an edge can undo more than the batt contributes. Send us the build-up and we will send the matching system report.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSeven batts per pack in four sizes: 1160 x 430 mm covering 3.49 m², 1200 x 450 mm covering 3.78 m², 1160 x 580 mm covering 4.71 m² and 1200 x 600 mm covering 5.04 m².\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit, touching the frame on all four sides, no gaps. Do not compress it into a narrower bay, because density achieved by squashing is not the same as the density the product was made at.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (7 per pack, 3.49 m²)","offer_id":45351821476022,"sku":"182287","price":54.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (7 per pack, 3.78 m²)","offer_id":45351821508790,"sku":"451622","price":58.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (7 per pack, 4.71 m²)","offer_id":45351821541558,"sku":"182286","price":72.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (7 per pack, 5.04 m²)","offer_id":45351821574326,"sku":"451623","price":77.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-5-bradford-soundscreen-acoustic-batts.jpg?v=1786564897"},{"product_id":"r2-0-bradford-soundscreen-acoustic-batts-70mm","title":"R2.0 Bradford SoundScreen Acoustic Batts 70mm","description":"\u003cp\u003eR2.0 Bradford SoundScreen is a higher density non-combustible glasswool batt at 70 mm, made for internal walls and floors where the job is stopping noise between rooms rather than heat from outside.\u003c\/p\u003e\n\u003ch3\u003eDensity is what does the acoustic work\u003c\/h3\u003e\n\u003cp\u003eSoundScreen is denser than a standard wall batt of the same thickness. That density is what absorbs sound energy inside the cavity. It also carries a thermal figure, which is useful, but it is not why you would buy it.\u003c\/p\u003e\n\u003ch3\u003eWhat Rw will I get\u003c\/h3\u003e\n\u003cp\u003eRw belongs to the whole wall or floor system, not to the batt. The lining, the framing, the fixings and any gap left at an edge all move the result, often by more than changing the batt does. Tell us the build-up and we will send the system report that matches it.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eNine batts per pack in four sizes: 1160 x 430 mm covering 4.49 m², 1200 x 450 mm covering 4.86 m², 1160 x 580 mm covering 6.05 m² and 1200 x 600 mm covering 6.48 m². Measure the clear cavity before ordering. For deeper studs, \u003ca href=\"\/products\/r2-5-bradford-soundscreen-acoustic-batts-88mm\"\u003e88 mm\u003c\/a\u003e and \u003ca href=\"\/products\/r3-1-bradford-soundscreen-acoustic-batts-110mm\"\u003e110 mm\u003c\/a\u003e versions carry the range further.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit so the batt touches the frame on all four sides. Gaps matter more in acoustic work than in thermal work, because sound will find any path that air can take.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (9 per pack, 4.49 m²)","offer_id":45351821344950,"sku":"182312","price":56.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (9 per pack, 4.86 m²)","offer_id":45351821377718,"sku":"451621","price":62.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (9 per pack, 6.05 m²)","offer_id":45351821410486,"sku":"182313","price":76.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (9 per pack, 6.48 m²)","offer_id":45351821443254,"sku":"182285","price":81.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-0-bradford-soundscreen-acoustic-batts.jpg?v=1786564897"},{"product_id":"bradford-thermoseal-wall-wrap","title":"Bradford Thermoseal Wall Wrap","description":"\u003cp\u003eBradford Thermoseal Wall Wrap is a reflective foil faced wall sarking. It is a medium duty tear resistant laminate that acts as a second skin behind the cladding, adds a radiant heat barrier, and works as a vapour barrier.\u003c\/p\u003e\n\u003ch3\u003eBarrier or breather, decide this first\u003c\/h3\u003e\n\u003cp\u003eThermoseal is a vapour barrier. It holds moisture out, and it also holds moisture in. That is the right answer in some wall build-ups and the wrong answer in others, which is why the Enviroseal range exists as the vapour permeable alternative. Getting this choice wrong is how walls end up holding water they cannot shed. \u003ca href=\"\/blogs\/blog\/metal-roof-condensation-australia\"\u003eCondensation, and what NCC 2022 asks for\u003c\/a\u003e covers the reasoning.\u003c\/p\u003e\n\u003ch3\u003ePlain or Prime\u003c\/h3\u003e\n\u003cp\u003eBoth facings are stocked in the same roll sizes, so this is a specification and appearance choice rather than a performance step.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003e1350 mm x 30 m covering 40.5 m², 1350 mm x 60 m covering 81 m², and 1500 mm x 30 m covering 45 m², in either facing.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eThe reflective face needs an air gap in front of it to do anything, so orientation matters. Tape the joins and seal the penetrations, since an untaped wrap is not a weather barrier. Suitable for BAL 12.5 through to Flame Zone when installed to specification.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"Plain, 1350 mm x 30 m (40.5 m²)","offer_id":45351485112502,"sku":"40483","price":139.0,"currency_code":"AUD","in_stock":true},{"title":"Plain, 1350 mm x 60 m (81 m²)","offer_id":45351485145270,"sku":"15128","price":277.0,"currency_code":"AUD","in_stock":true},{"title":"Plain, 1500 mm x 30 m (45 m²)","offer_id":45351485178038,"sku":"40514","price":154.0,"currency_code":"AUD","in_stock":true},{"title":"Prime, 1350 mm x 30 m (40.5 m²)","offer_id":45351485210806,"sku":"169161","price":147.0,"currency_code":"AUD","in_stock":true},{"title":"Prime, 1350 mm x 60 m (81 m²)","offer_id":45351485243574,"sku":"169232","price":294.0,"currency_code":"AUD","in_stock":true},{"title":"Prime, 1500 mm x 30 m (45 m²)","offer_id":45351485276342,"sku":"178641","price":164.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-thermoseal-wall-wrap.jpg?v=1786541042"},{"product_id":"bradford-acoustigard-partition-roll-11kg-m","title":"Bradford Acoustigard Partition Roll 11kg\/m³","description":"\u003cp\u003eBradford Acoustigard partition roll at 11 kg\/m³, the lightest density in the Acoustigard range. Non-combustible glasswool supplied in rolls for commercial partition walls.\u003c\/p\u003e\n\u003ch3\u003eDensity first, thickness second\u003c\/h3\u003e\n\u003cp\u003eA tested partition system names the density it was built with. 11 kg\/m³ is the lightest of the three Acoustigard grades, with \u003ca href=\"\/products\/bradford-acoustigard-partition-roll-14kg-m\"\u003e14\u003c\/a\u003e and \u003ca href=\"\/products\/bradford-acoustigard-partition-roll-24kg-m\"\u003e24 kg\/m³\u003c\/a\u003e above it. Order the density the report names rather than matching on R-value.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eFive rolls: 75 mm at R1.7 in 600 mm covering 16.2 m² and 450 mm covering 18.23 m², 110 mm at R2.5 in 600 mm covering 9.72 m², and 165 mm at R3.5 in 600 mm covering 6.48 m² and 450 mm covering 7.29 m². The narrower roll covers more per roll because it is longer, so compare the square metre figure rather than the width.\u003c\/p\u003e\n\u003ch3\u003eWhy a roll\u003c\/h3\u003e\n\u003cp\u003eLong partition runs go faster off a roll than out of a pack, and you cut to length as you go rather than working to a fixed batt height. It also cuts offcut waste on walls that are not a standard height.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit into the cavity, touching the frame on all four sides, no gaps at the edges.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"R1.7, 13.5 m x 600 mm x 75 mm (16.2 m²)","offer_id":45351489568950,"sku":"119469","price":89.0,"currency_code":"AUD","in_stock":true},{"title":"R1.7, 13.5 m x 450 mm x 75 mm (18.23 m²)","offer_id":45351489601718,"sku":"119468","price":100.0,"currency_code":"AUD","in_stock":true},{"title":"R2.5, 8.1 m x 600 mm x 110 mm (9.72 m²)","offer_id":45351489634486,"sku":"119511","price":75.0,"currency_code":"AUD","in_stock":true},{"title":"R3.5, 5.4 m x 600 mm x 165 mm (6.48 m²)","offer_id":45351489667254,"sku":"119470","price":74.0,"currency_code":"AUD","in_stock":true},{"title":"R3.5, 5.4 m x 450 mm x 165 mm (7.29 m²)","offer_id":45351489700022,"sku":"485018","price":84.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-acoustigard-partition-roll-11kg-m.jpg?v=1786541129"},{"product_id":"bradford-acoustigard-partition-roll-14kg-m","title":"Bradford Acoustigard Partition Roll 14kg\/m³","description":"\u003cp\u003eBradford Acoustigard partition roll at 14 kg\/m³, the middle density in the Acoustigard range and the one most commonly named in commercial partition systems. Non-combustible glasswool.\u003c\/p\u003e\n\u003ch3\u003eEight roll options\u003c\/h3\u003e\n\u003cp\u003eFour thicknesses, each in 600 mm and 450 mm widths: 50 mm at R1.2 covering 19.44 and 21.87 m², 75 mm at R1.8 covering 16.2 and 18.23 m², 90 mm at R2.2 covering 12.96 and 14.58 m², and 100 mm at R2.4 covering 12.96 and 14.58 m². Match the thickness to the stud and the width to the stud spacing.\u003c\/p\u003e\n\u003ch3\u003eOrder by density, not by R-value\u003c\/h3\u003e\n\u003cp\u003eThe R-value is a by-product here. What the tested wall system specifies is the density, so if the report says 14 kg\/m³ do not substitute \u003ca href=\"\/products\/bradford-acoustigard-partition-roll-11kg-m\"\u003e11\u003c\/a\u003e or \u003ca href=\"\/products\/bradford-acoustigard-partition-roll-24kg-m\"\u003e24\u003c\/a\u003e because the R-value happens to line up.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eCut to length off the roll and friction fit into the cavity, touching the frame on all four sides. An edge gap will undo more of the acoustic performance than a slightly thinner batt would.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"R1.2, 16.2 m x 600 mm x 50 mm (19.44 m²)","offer_id":45351494484150,"sku":"119522","price":659.0,"currency_code":"AUD","in_stock":true},{"title":"R1.2, 16.2 m x 450 mm x 50 mm (21.87 m²)","offer_id":45351494516918,"sku":"119521","price":741.0,"currency_code":"AUD","in_stock":true},{"title":"R1.8, 13.5 m x 600 mm x 75 mm (16.2 m²)","offer_id":45351494549686,"sku":"119524","price":112.0,"currency_code":"AUD","in_stock":true},{"title":"R1.8, 13.5 m x 450 mm x 75 mm (18.23 m²)","offer_id":45351494582454,"sku":"119523","price":126.0,"currency_code":"AUD","in_stock":true},{"title":"R2.2, 10.8 m x 600 mm x 90 mm (12.96 m²)","offer_id":45351494615222,"sku":"87731","price":110.0,"currency_code":"AUD","in_stock":true},{"title":"R2.2, 10.8 m x 450 mm x 90 mm (14.58 m²)","offer_id":45351494647990,"sku":"73776","price":124.0,"currency_code":"AUD","in_stock":true},{"title":"R2.4, 10.8 m x 600 mm x 100 mm (12.96 m²)","offer_id":45351494418614,"sku":"119526","price":116.0,"currency_code":"AUD","in_stock":true},{"title":"R2.4, 10.8 m x 450 mm x 100 mm (14.58 m²)","offer_id":45351494451382,"sku":"119527","price":131.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-acoustigard-partition-roll-14kg-m.jpg?v=1786541316"},{"product_id":"bradford-rockwool-fireseal-party-wall-sealer","title":"Bradford Rockwool Fireseal Party Wall Sealer","description":"\u003cp\u003eBradford Rockwool Fireseal party wall sealer is non-combustible stone wool supplied in long 4000 mm lengths for sealing party walls in multi-residential buildings. Six options, two per pack.\u003c\/p\u003e\n\u003ch3\u003eSized for the run, not the sheet\u003c\/h3\u003e\n\u003cp\u003eAt 4000 mm long these are made to run a continuous seal rather than to be pieced together out of shorter batts. Fewer joints in a fire seal means fewer places for it to fail, which is the reason the format exists.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eFireseal 50 mm in 300 mm and 360 mm widths, Rockwool 50 mm in 300 mm and 360 mm, and Rockwool 75 mm in 300 mm and 360 mm. Pick the width from the joint you are sealing and the thickness from the specification.\u003c\/p\u003e\n\u003ch3\u003eBefore you order\u003c\/h3\u003e\n\u003cp\u003eFire performance belongs to the tested system rather than to the material on its own, so work from the specification for the wall and confirm the product suits it. Ask us if you need the manufacturer documentation.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"Fireseal 50 mm, 4000 x 300 mm (2 per pack)","offer_id":45351498514614,"sku":"494101","price":98.0,"currency_code":"AUD","in_stock":true},{"title":"Fireseal 50 mm, 4000 x 360 mm (2 per pack)","offer_id":45351498547382,"sku":"494103","price":120.0,"currency_code":"AUD","in_stock":true},{"title":"Rockwool 50 mm, 4000 x 300 mm (2 per pack)","offer_id":45351498580150,"sku":"123443","price":98.0,"currency_code":"AUD","in_stock":true},{"title":"Rockwool 50 mm, 4000 x 360 mm (2 per pack)","offer_id":45351498612918,"sku":"132796","price":120.0,"currency_code":"AUD","in_stock":true},{"title":"Rockwool 75 mm, 4000 x 300 mm (2 per pack)","offer_id":45351498645686,"sku":"123444","price":145.0,"currency_code":"AUD","in_stock":true},{"title":"Rockwool 75 mm, 4000 x 360 mm (2 per pack)","offer_id":45351498678454,"sku":"132797","price":173.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-rockwool-fireseal-party-wall-sealer.jpg?v=1786541331"},{"product_id":"r2-0-bradford-gold-wall-batts-90mm","title":"R2.0 Bradford Gold Wall Batts 90mm","description":"\u003cp\u003eR2.0 Bradford Gold is a 90 mm non-combustible glasswool wall batt, and the workhorse of the range. It suits a standard 90 mm stud wall in most residential work.\u003c\/p\u003e\n\u003ch3\u003eFour sizes, so measure the cavity\u003c\/h3\u003e\n\u003cp\u003e1160 x 430 mm, 22 to a pack covering 10.97 m². 1200 x 450 mm, 18 per pack covering 9.72 m². 1160 x 580 mm, 18 per pack covering 12.11 m². 1200 x 600 mm, 18 per pack covering 12.96 m². The right one depends on the clear width between your studs, not on the nominal centres, so measure an actual cavity before ordering a whole house.\u003c\/p\u003e\n\u003ch3\u003eIf R2.0 is not enough\u003c\/h3\u003e\n\u003cp\u003eA wall is different from a ceiling. You cannot add depth, because the stud sets it. To get more R-value out of the same 90 mm you need a higher density batt, which is what the HP range is for: \u003ca href=\"\/products\/r2-5-hp-bradford-gold-wall-batts-90mm\"\u003eR2.5 HP\u003c\/a\u003e and \u003ca href=\"\/products\/r2-7-hp-bradford-gold-wall-batts-90mm\"\u003eR2.7 HP\u003c\/a\u003e both fit a 90 mm stud.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the studs so the batt touches the frame on all four sides. No gaps at the top, bottom or edges, and no compression to make a batt fit a narrower bay. Cut it to fit instead.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (22 per pack, 10.97 m²)","offer_id":45351820787894,"sku":"15250","price":60.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (18 per pack, 9.72 m²)","offer_id":45351820820662,"sku":"127777","price":53.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (18 per pack, 12.11 m²)","offer_id":45351820853430,"sku":"15229","price":67.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (18 per pack, 12.96 m²)","offer_id":45351820886198,"sku":"127782","price":71.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-0-bradford-gold-wall-batts.jpg?v=1786541350"},{"product_id":"bradford-acoustigard-partition-roll-24kg-m","title":"Bradford Acoustigard Partition Roll 24kg\/m³","description":"\u003cp\u003eBradford Acoustigard partition roll at 24 kg\/m³, the densest grade in the range. Non-combustible glasswool for partition walls where the acoustic requirement is serious.\u003c\/p\u003e\n\u003ch3\u003eWhat the dense grade buys you\u003c\/h3\u003e\n\u003cp\u003eMore material packed into the same cavity absorbs more sound energy. It also means this grade reaches useful acoustic performance in thin sections: the range starts at 25 mm, which is thinner than any batt, and that is genuinely useful where a cavity is shallow or the space is being fought over.\u003c\/p\u003e\n\u003ch3\u003eEight roll options\u003c\/h3\u003e\n\u003cp\u003eFour thicknesses in 600 mm and 450 mm widths: 25 mm at R0.65 covering 19.44 and 21.87 m², 50 mm at R1.4 covering 12.96 and 14.58 m², 75 mm at R2.1 covering 9.72 and 10.94 m², and 90 mm at R2.5 covering 6.48 and 7.29 m².\u003c\/p\u003e\n\u003ch3\u003eOrder the density the system names\u003c\/h3\u003e\n\u003cp\u003e24 kg\/m³ is not interchangeable with \u003ca href=\"\/products\/bradford-acoustigard-partition-roll-14kg-m\"\u003e14\u003c\/a\u003e or \u003ca href=\"\/products\/bradford-acoustigard-partition-roll-11kg-m\"\u003e11\u003c\/a\u003e just because an R-value matches. If the tested system names a density, that is the order.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eCut to length and friction fit into the cavity, touching the frame on all four sides, no edge gaps.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"R0.65, 16.2 m x 600 mm x 25 mm (19.44 m²)","offer_id":45351501365430,"sku":"479730","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"R0.65, 16.2 m x 450 mm x 25 mm (21.87 m²)","offer_id":45351501398198,"sku":"479731","price":89.0,"currency_code":"AUD","in_stock":true},{"title":"R1.4, 10.8 m x 600 mm x 50 mm (12.96 m²)","offer_id":45351501430966,"sku":"119528","price":105.0,"currency_code":"AUD","in_stock":true},{"title":"R1.4, 10.8 m x 450 mm x 50 mm (14.58 m²)","offer_id":45351501463734,"sku":"119529","price":118.0,"currency_code":"AUD","in_stock":true},{"title":"R2.1, 8.1 m x 600 mm x 75 mm (9.72 m²)","offer_id":45351501496502,"sku":"119551","price":119.0,"currency_code":"AUD","in_stock":true},{"title":"R2.1, 8.1 m x 450 mm x 75 mm (10.94 m²)","offer_id":45351501529270,"sku":"119530","price":133.0,"currency_code":"AUD","in_stock":true},{"title":"R2.5, 5.4 m x 600 mm x 90 mm (6.48 m²)","offer_id":45351501562038,"sku":"457190","price":97.0,"currency_code":"AUD","in_stock":true},{"title":"R2.5, 5.4 m x 450 mm x 90 mm (7.29 m²)","offer_id":45351501594806,"sku":"456978","price":107.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-acoustigard-partition-roll-24kg-m.jpg?v=1786541350"},{"product_id":"r2-0-hp-bradford-gold-wall-batts-75mm","title":"R2.0 HP Bradford Gold Wall Batts 75mm","description":"\u003cp\u003eR2.0 HP Bradford Gold is a high density non-combustible glasswool wall batt at 75 mm. HP means the glasswool is packed denser, which is how it reaches R2.0 in a 75 mm stud instead of needing 90 mm.\u003c\/p\u003e\n\u003ch3\u003eWhy density matters in a wall\u003c\/h3\u003e\n\u003cp\u003eIn a ceiling you can add depth to add R-value. In a wall you cannot, because the stud decides the cavity. The only way to lift the number without changing the frame is a denser batt, and that is the whole reason the HP range exists. If your wall is 90 mm rather than 75 mm, look at the standard \u003ca href=\"\/products\/r2-0-bradford-gold-wall-batts-90mm\"\u003eR2.0 at 90 mm\u003c\/a\u003e instead, which usually costs less for the same result.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eTwelve batts per pack in four sizes: 1160 x 420 mm covering 5.85 m², 1200 x 450 mm covering 6.48 m², 1160 x 570 mm covering 7.93 m² and 1200 x 600 mm covering 8.64 m². Measure the clear cavity width before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit so the batt touches the frame on all four sides, with no gaps and no compression.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (12 per pack, 5.85 m²)","offer_id":45351823573174,"sku":"152166","price":46.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (12 per pack, 6.48 m²)","offer_id":45351823605942,"sku":"131367","price":49.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (12 per pack, 7.93 m²)","offer_id":45351823638710,"sku":"152192","price":61.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (12 per pack, 8.64 m²)","offer_id":45351823671478,"sku":"131368","price":66.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-0-hp-bradford-gold-wall-batts-75mm.jpg?v=1786550469"},{"product_id":"r2-2-hp-bradford-gold-wall-batts-75mm","title":"R2.2 HP Bradford Gold Wall Batts 75mm","description":"\u003cp\u003eR2.2 HP Bradford Gold is a high density non-combustible glasswool wall batt at 75 mm. It reaches R2.2 in a 75 mm stud, which a standard density batt at that thickness cannot do.\u003c\/p\u003e\n\u003ch3\u003eWhen you would specify it\u003c\/h3\u003e\n\u003cp\u003eNarrow stud walls, usually where floor area is tight or the frame is already set. The alternative is rebuilding the wall deeper, which is rarely worth it for the difference. If your studs are 90 mm, the standard \u003ca href=\"\/products\/r2-2-bradford-gold-wall-batts-90mm\"\u003eR2.2 at 90 mm\u003c\/a\u003e covers the same figure for less.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSix batts per pack in two sizes at 1160 mm long: 420 mm wide covering 2.92 m² and 570 mm wide covering 3.97 m². Small packs, so count the wall area carefully before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit so the batt touches the frame on all four sides. No gaps, no compression.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (6 per pack, 2.92 m²)","offer_id":45351823737014,"sku":"152168","price":46.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (6 per pack, 3.97 m²)","offer_id":45351823769782,"sku":"152194","price":62.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-2-hp-bradford-gold-wall-batts-75mm.jpg?v=1786550469"},{"product_id":"bradford-rockwool-fireseal-curtain-wall-batts-50mm","title":"Bradford Rockwool Fireseal Curtain Wall Batts 50mm","description":"\u003cp\u003eBradford Rockwool Fireseal curtain wall batts are non-combustible stone wool, 50 mm thick, cut 1200 x 120 mm and packed 18 to a pack.\u003c\/p\u003e\n\u003ch3\u003eWhat stone wool is doing here\u003c\/h3\u003e\n\u003cp\u003eStone wool is specified in fire sealing details because it does not burn and it holds its shape under heat. A gap packed with a material that slumps or shrinks stops being a seal at exactly the moment it is needed, which is why the material choice is part of the fire design rather than a preference.\u003c\/p\u003e\n\u003ch3\u003eSized for a narrow joint\u003c\/h3\u003e\n\u003cp\u003eAt 1200 x 120 mm these are cut for packing into a narrow linear gap rather than filling a wall cavity. The high pack count of 18 suits a long run of the same joint detail.\u003c\/p\u003e\n\u003ch3\u003eBefore you order\u003c\/h3\u003e\n\u003cp\u003eFire performance belongs to the tested system and to the specific detail, not to the batt on its own. Work from the specification for your build-up and confirm both the product and the dimensions suit it. Ask us if you need the manufacturer documentation for the batt.\u003c\/p\u003e\n\u003cp\u003ePack detail and the CSR product code are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1200 x 120 mm (18 per pack)","offer_id":45351824359606,"sku":"125082","price":262.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-rockwool-fireseal-curtain-wall-batts-50mm.jpg?v=1786550483"},{"product_id":"r1-5-bradford-polymax-wall-batts-90mm","title":"R1.5 Bradford Polymax Wall Batts 90mm","description":"\u003cp\u003eR1.5 Bradford Polymax at 90 mm is the polyester wall batt for a standard 90 mm stud where R1.5 is the target. Non-irritant, low allergen, up to 50% recycled content.\u003c\/p\u003e\n\u003ch3\u003e90 mm at R1.5\u003c\/h3\u003e\n\u003cp\u003eThis is the same R-value as the 75 mm Polymax batt in a deeper cavity, which means it is the one to use when your frame is 90 mm and you do not want a batt that under-fills the bay. A batt narrower or thinner than the cavity leaves an air path, and an air path is worth more lost performance than the difference between two adjacent R-values.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSixteen batts per pack at 1160 mm long: 430 mm wide covering 7.98 m² and 580 mm wide covering 10.77 m².\u003c\/p\u003e\n\u003ch3\u003ePolyester or glasswool\u003c\/h3\u003e\n\u003cp\u003ePolymax is the no-itch option and the easier one to install without protective kit. Where the job specifically calls for non-combustible material, use a glasswool batt from the Gold range.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the studs, touching the frame on all four sides, no gaps, no compression.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (16 per pack, 7.98 m²)","offer_id":45351824392374,"sku":"65297","price":106.4,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (16 per pack, 10.77 m²)","offer_id":45351824425142,"sku":"65298","price":143.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r1-5-bradford-polymax-wall-batts_29a37392-7e17-40e8-8634-7cc9aa9ab6e3.jpg?v=1786564897"},{"product_id":"r2-0-bradford-polymax-wall-batts-75mm","title":"R2.0 Bradford Polymax Wall Batts 75mm","description":"\u003cp\u003eR2.0 Bradford Polymax at 75 mm is a polyester wall batt that reaches R2.0 in a narrow stud. Non-irritant, low allergen, made from up to 50% recycled material.\u003c\/p\u003e\n\u003ch3\u003eWhen a 75 mm wall has to hit R2.0\u003c\/h3\u003e\n\u003cp\u003eNarrow stud walls come up in renovations, in internal walls being upgraded, and anywhere floor area is being protected. This batt is the polyester answer to that constraint. If your studs are 90 mm, the \u003ca href=\"\/products\/r2-0-bradford-polymax-wall-batts-90mm\"\u003e90 mm version\u003c\/a\u003e is the one to order, because a batt that is thinner than the cavity leaves an air path behind it.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eEight batts per pack in two sizes at 1160 mm long: 430 mm wide covering 3.99 m² and 580 mm wide covering 5.38 m².\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eCuts cleanly, friction fits, no itch. Touch the frame on all four sides, no gaps, no compression.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (8 per pack, 3.99 m²)","offer_id":45351824457910,"sku":"126819","price":134.0,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (8 per pack, 5.38 m²)","offer_id":45351824490678,"sku":"126820","price":181.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r1-5-bradford-polymax-wall-batts_44b47e86-0d9a-442a-a30e-e4be2b325f79.jpg?v=1786564898"},{"product_id":"trade-select-wall-wrap","title":"Trade Select Wall Wrap","description":"\u003cp\u003eTrade Select Wall Wrap is a single sided reflective wall wrap from Ametalin, stocked in Light Duty and Medium Duty, each in 1350 mm and 1500 mm widths and 30 m or 60 m rolls. It is a Class 2 vapour barrier, so it holds moisture out of the frame rather than letting it pass through.\u003c\/p\u003e\n\u003ch3\u003eBarrier wrap or breather wrap\u003c\/h3\u003e\n\u003cp\u003eThis is the barrier version. It is an air barrier, a water barrier and a Class 2 vapour barrier at the same time, which suits Climate Zones 1 to 5 and any wall where the design intent is to keep vapour on the outside. If the wall needs to dry outward, the vapour permeable version is the \u003ca href=\"\/products\/trade-select-wall-wrap-breather\"\u003eWall Wrap Micro-perforated\u003c\/a\u003e instead. Getting that choice wrong is the single most common condensation problem in a new wall, so check the climate zone before ordering.\u003c\/p\u003e\n\u003ch3\u003eLight Duty or Medium Duty\u003c\/h3\u003e\n\u003cp\u003eBoth grades carry the same barrier classifications. The difference is strength while the frame stands exposed. Light Duty is tested at 8.9 kN\/m machine direction against a 7.5 kN\/m minimum. Medium Duty runs 11.8 kN\/m against a 9.5 kN\/m minimum, and its edge tear is 500 N against 375 N. On a windy site, a long build program, or a frame other trades will be working past, Medium Duty is the one that survives.\u003c\/p\u003e\n\u003ch3\u003eThe foil side needs an air gap\u003c\/h3\u003e\n\u003cp\u003eFoil emittance is 0.03 and the printed face is 0.90. That 97% reflective face only earns its R-value when it faces a cavity, so a wrap pressed flat against cladding gives you the barrier performance and none of the reflective gain. Ametalin declare a total system R-value of 1.01 winter and 0.92 summer for lightweight cladding direct to stud, and 2.93 winter with an R2.7 batt in a brick veneer wall.\u003c\/p\u003e\n\u003ch3\u003eFire\u003c\/h3\u003e\n\u003cp\u003eFlammability index Low, at or below 5, with a Group 1 fire performance classification for wall and ceiling lining. It complies with AS 3959-2018 for use in all Bushfire Attack Levels. Take independent advice on sarking selection before locking in a BAL design.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eLap and tape the joins and seal around penetrations, or the wrap is not a barrier at all. The material is electrically conductive, so keep it clear of wiring. Install to AS 4200.2. Full figures for both duties are in the table below.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"Light Duty \/ 1350 mm x 30 m (40.5 m²)","offer_id":45385983754422,"sku":"TSLD-40","price":55.1,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1350 mm x 60 m (81 m²)","offer_id":45385983787190,"sku":"TSLD-81","price":106.0,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1500 mm x 30 m (45 m²)","offer_id":45385983819958,"sku":"TSLD-45","price":60.8,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1500 mm x 60 m (90 m²)","offer_id":45385983852726,"sku":"TSLD-90","price":117.0,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1350 mm x 30 m (40.5 m²)","offer_id":45385983885494,"sku":"TSMD-40","price":67.0,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1350 mm x 60 m (81 m²)","offer_id":45385983918262,"sku":"TSMD-81","price":125.0,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1500 mm x 30 m (45 m²)","offer_id":45385983951030,"sku":"TSMD-45","price":70.0,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1500 mm x 60 m (90 m²)","offer_id":45385983983798,"sku":"TSMD-90","price":132.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Wall-Wrap-MD-Product-Roll-1024x1024-Trade-Select.jpg?v=1787844514"},{"product_id":"trade-select-wall-wrap-xr-micro-perforated-hd","title":"Trade Select Wall Wrap xR Micro-perforated HD","description":"\u003cp\u003eTrade Select Wall Wrap xR Micro-perforated HD is the wall wrap Ametalin built for brick veneer and drained cavity walls. It is vapour permeable and double sided reflective at the same time, which is an unusual combination and the reason it costs more than a plain breather wrap.\u003c\/p\u003e\n\u003ch3\u003ePermeable and reflective together\u003c\/h3\u003e\n\u003cp\u003eThe micro-perforation pattern gives Class 4 vapour permeance at 1.450 µg\/N·s, so indoor water vapour can pass out into the cavity rather than condensing inside the wall. Both faces are reflective, 0.05 anti-glare and 0.03 foil, so the cavity between the frame and the brick leaf turns into a reflective air space. Ametalin declare RT 1.72 winter for a brick veneer wall with the wrap alone, and RT 3.40 winter with an R2.7 batt added.\u003c\/p\u003e\n\u003ch3\u003eNot a water barrier\u003c\/h3\u003e\n\u003cp\u003eRead this part carefully. It is classified Non-Water Barrier. Perforating a membrane to let vapour out also lets liquid water through, so this belongs behind a masonry leaf or a drained cavity where the outer skin sheds the rain. It is not the wrap for a direct fixed cladding wall. Use the Class 2 \u003ca href=\"\/products\/trade-select-wall-wrap\"\u003eTrade Select Wall Wrap\u003c\/a\u003e or the \u003ca href=\"\/products\/trade-select-wall-wrap-breather\"\u003eWall Wrap Micro-perforated\u003c\/a\u003e range there instead.\u003c\/p\u003e\n\u003ch3\u003eHeavy duty\u003c\/h3\u003e\n\u003cp\u003eTensile strength 15.3 kN\/m machine direction against a 12.5 kN\/m minimum, edge tear 499 N against 80 N, thickness 0.12 mm. It is an air barrier, and flammability index is Low, at or below 5, with compliance to AS 3959-2018 for all BALs.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eKeep the cavity clear so the reflective faces have air in front of them and the drainage path stays open. The wrap is electrically conductive, so keep it clear of wiring. Install to AS 4200.2. Full figures are in the table below.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"1350 mm x 30 m (40.5 m²)","offer_id":45385987227830,"sku":"TSHD-XR-40-B","price":132.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Trade-Select-Wall-Wrap-xR-Micro-perforated.jpg?v=1787844809"},{"product_id":"ametalin-thermalbreak-strips-r025","title":"Ametalin ThermalBreak® Strips R0.25 Pack of 50","description":"\u003cp\u003eAmetalin ThermalBreak Strips are dual density XPE foam strips with a self adhesive back, run down the outside of a steel frame to break the thermal bridge between the framing and the cladding. 43 mm wide, 2.75 m long folded to 1375 mm, 12 mm thick. Pack of 50 strips.\u003c\/p\u003e\n\u003ch3\u003eWhy a steel frame needs one\u003c\/h3\u003e\n\u003cp\u003eSteel conducts heat roughly a thousand times better than timber. A steel stud that touches both the lining and the cladding carries heat straight through the wall regardless of how much batt sits between the studs, and the cold line it creates on the inside face is where condensation shows up first. The NCC requires an R0.2 thermal break in these situations. This strip is tested at R0.25 to ASTM C518, so it clears the requirement with margin.\u003c\/p\u003e\n\u003ch3\u003eDual density, which is the useful part\u003c\/h3\u003e\n\u003cp\u003eA high density XPE face gives the cladding a firm base to fix against, and a medium density core underneath conforms to an imperfect frame. A single density foam has to pick one of those and give up the other.\u003c\/p\u003e\n\u003ch3\u003eIt also drains\u003c\/h3\u003e\n\u003cp\u003eThe strip lifts the cladding off the membrane, which creates a drainage plane for water to escape and lets the wall breathe. It is termite, mould and mildew resistant, and it seals around membrane fixings.\u003c\/p\u003e\n\u003ch3\u003eWhich strip to buy\u003c\/h3\u003e\n\u003cp\u003eThis is the XPE foam version, R0.25. Where the construction has to be non-combustible, use the \u003ca href=\"\/products\/ametalin-non-combustible-thermalbreak-strip\"\u003eNon-combustible ThermalBreak Strip\u003c\/a\u003e instead. If the job also needs a 20 mm drained and ventilated cavity, look at \u003ca href=\"\/products\/ametalin-thermalcav-drainage-battens\"\u003eThermalCav Drainage Battens\u003c\/a\u003e, which do both at R0.26.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eCuts to length with a knife. Peel the liner, centre the strip on the framing member and press it home, then get the cladding on without delay. Surfaces have to be clean and dry.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"43 mm x 2.75 m x 12 mm, pack of 50","offer_id":45385990799542,"sku":"TBS-432750","price":526.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Ametalin-R0.25-ThermalBreak-Strip_TBSTRIP-432750_02_1024-x-768px.jpg?v=1787845244"},{"product_id":"ametalin-cavity-drainage-battens","title":"Ametalin Cavity Drainage Battens™ 10mm Pack of 50","description":"\u003cp\u003eAmetalin Cavity Drainage Battens are triple layer high density polypropylene strips with an open air flow core and a self adhesive back. They hold the cladding 10 mm off the membrane so the cavity can drain and ventilate. 45 mm x 1.2 m x 10 mm, pack of 50.\u003c\/p\u003e\n\u003ch3\u003eWhat a drained cavity actually buys you\u003c\/h3\u003e\n\u003cp\u003eCladding fixed hard against a wall wrap has nowhere for incidental water to go and no air movement to dry it. A batten turns that contact into a cavity, and the cavity does three jobs at once: it drains, it ventilates, and it separates the cladding from the frame thermally. On a metal roof it also keeps the dew point on the underside of the roof sheet rather than on the membrane, which is where the drips come from.\u003c\/p\u003e\n\u003ch3\u003eStrong enough to fix through\u003c\/h3\u003e\n\u003cp\u003eCompression resistance is 500 kPa, it takes normal foot traffic, and it resists impact from cladding installation and screw pull. Thermal resistance is R0.15 in situ, and long term heat resistance is 90 degrees.\u003c\/p\u003e\n\u003ch3\u003eDouble up for 20 mm\u003c\/h3\u003e\n\u003cp\u003eTwo thicknesses give a 20 mm gap, which is what the NCC 2022 air gap and ventilation provisions call for in Volume One F8D5 and J4D3 and Housing Provisions 10.8.3 and 13.2.2. If you want 20 mm in one piece and a full R0.2 thermal break, use \u003ca href=\"\/products\/ametalin-thermalcav-drainage-battens\"\u003eThermalCav Drainage Battens\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eNo temporary fixings needed. Clean and dry the framing, peel the liner, centre the batten on the member, press it home by hand and get the cladding on without delay. Runs vertically or horizontally. Termite, mould and mildew resistant, and UV and fire rated.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"45 mm x 1.2 m x 10 mm, pack of 50","offer_id":45385992011958,"sku":"CDB-451200","price":287.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Ametalin-Cavity-Drainage-Battens_1024-x-1024-px.jpg?v=1787845318"},{"product_id":"ametalin-thermalcav-drainage-battens","title":"Ametalin ThermalCav™ Drainage Battens 20mm Pack of 25","description":"\u003cp\u003eAmetalin ThermalCav Drainage Battens do two jobs with one strip. 20 mm of high density polypropylene and XPE gives an R0.26 thermal break and a 20 mm drained, ventilated cavity at the same time. 45 mm x 1.2 m, pack of 25.\u003c\/p\u003e\n\u003ch3\u003eOne product instead of two\u003c\/h3\u003e\n\u003cp\u003eA steel frame under the NCC 2022 rules needs an R0.2 thermal break, and a modern wall or roof build-up usually wants a 20 mm ventilated cavity as well. Doing that with a thermal break strip plus a separate batten means two products, two fixing operations and a stack-up you have to think about. ThermalCav is both at once, at R0.26 in situ, which clears R0.2 with margin.\u003c\/p\u003e\n\u003ch3\u003eThe 20 mm matters\u003c\/h3\u003e\n\u003cp\u003eNCC 2022 Volume One F8D5 and J4D3, and Housing Provisions 10.8.3 and 13.2.2, are the clauses that drive air gaps and ventilation in these assemblies. 20 mm in one piece removes the doubling up you would otherwise do with a 10 mm batten.\u003c\/p\u003e\n\u003ch3\u003eFix straight through it\u003c\/h3\u003e\n\u003cp\u003eCompression resistance is 497 kPa over a 50 x 50 mm area and it takes normal foot traffic. Fixings are meant to pass through the batten into the framing behind, so adjust screw length for the extra 20 mm. It cuts, drills and screws without splitting.\u003c\/p\u003e\n\u003ch3\u003eUnder a metal roof\u003c\/h3\u003e\n\u003cp\u003eIt holds the sheet off the sarking, so the dew point stays on the underside of the roof cladding and the cavity ventilates it away rather than letting condensation form on the membrane.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eSelf adhesive, no temporary fixings. Clean dry framing, peel the liner, centre it on the member, press it home, cladding straight after. Termite, mould and mildew resistant, UV and fire rated, long term heat resistance 90 degrees.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"45 mm x 1.2 m x 20 mm, pack of 25","offer_id":45385992044726,"sku":"TCDB-451200","price":216.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Ametalin-ThermalCav-Drainage-Batten_1024-x-1024.jpg?v=1787845320"},{"product_id":"kooltherm-k8-cavity-board","title":"Kingspan Kooltherm K8 Cavity Board Insulation","description":"\u003cp\u003eKooltherm K8 Cavity Board is Kingspan's insulation board for masonry cavity walls: a fibre-free, closed cell phenolic core faced on both sides with reflective composite foil. It fixes to the inner leaf on the wall ties and leaves a clear cavity to the outer leaf. Made in Australia in 25 mm (R1.10) and 40 mm (R1.75).\u003c\/p\u003e\n\u003ch3\u003eChoosing the thickness\u003c\/h3\u003e\n\u003cp\u003eKingspan publish wall totals with a 40 mm airspace. In double brick, 25 mm gives RT2.2 heat flow in and RT2.3 out, and 40 mm gives RT2.9 both ways. On a 190 mm corefilled block inner leaf the totals are RT2.2 both ways at 25 mm, and RT2.8 in, RT2.9 out at 40 mm. For brick veneer or a timber or steel frame, look at \u003ca href=\"\/products\/kooltherm-k12-framing-board\"\u003eKooltherm K12 Framing Board\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eCavity width and fire limits\u003c\/h3\u003e\n\u003cp\u003eKingspan require a residual cavity of at least 40 mm (AS 3700:2011, NCC Volume One B1D4), so the gap between the leaves has to take the board as well. Both example walls suit NCC Class 1 and 10a housing and Type C fire-resisting walls in Class 2 to 9 buildings. Type A and B walls in those buildings need a Performance Solution.\u003c\/p\u003e\n\u003ch3\u003ePacks and site notes\u003c\/h3\u003e\n\u003cp\u003eBoards are 1200 x 514 mm, sold in Kingspan's full packs: 20 boards (12.34 m²) at 25 mm, 12 boards (7.40 m²) at 40 mm. Both thicknesses are stocked. The foil conducts electricity and reflects UV, so keep it off bare cables and wear UV protective glasses in bright sun. Full figures are in the table below.\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"25mm - R1.10 (20 boards per pack, 12.34 m²)","offer_id":67636070645942,"sku":"100000065190","price":535.0,"currency_code":"AUD","in_stock":true},{"title":"40mm - R1.75 (12 boards per pack, 7.40 m²)","offer_id":67636070678710,"sku":"100000065144","price":411.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/k8-corner-white.jpg?v=1791896465"},{"product_id":"kooltherm-k17-insulated-plasterboard","title":"Kingspan Kooltherm K17 Insulated Plasterboard Wall Lining","description":"\u003cp\u003eKooltherm K17 Insulated Plasterboard is Kingspan's dry-lining board: a fibre-free, closed cell phenolic core bonded to 10 mm tapered edge plasterboard, so one sheet insulates and lines the inside face of a wall. Seven thicknesses from 35 to 90 mm, R1.15 to R3.70, made in Australia.\u003c\/p\u003e\n\u003ch3\u003eReading the sizes\u003c\/h3\u003e\n\u003cp\u003eThickness is overall, plasterboard included, so a 35 mm board carries 25 mm of insulation. The option R-value is the board alone. Bonded to 150 mm concrete, Kingspan declare a wall total of RT1.4 at 35 mm up to RT3.8 (heat flow in) at 90 mm, and energy assessments use that total. Our \u003ca href=\"\/blogs\/blog\/r-value-ceiling-wall-underfloor\"\u003eR-value guide\u003c\/a\u003e explains the difference.\u003c\/p\u003e\n\u003ch3\u003eWhere it suits\u003c\/h3\u003e\n\u003cp\u003eK17 is designed for adhesive bonding to dry brick, block or concrete walls free from moisture penetration, and can also be screwed to masonry, battens or framing. The face is gypsum, so it must not be used to isolate dampness or in continuously damp or humid conditions. It carries a Group 1 NCC fire classification, but Type A and B fire-resisting walls in Class 2 to 9 buildings need a Performance Solution.\u003c\/p\u003e\n\u003ch3\u003eOrdering and storage\u003c\/h3\u003e\n\u003cp\u003eBoards come in Kingspan's full packs, 12 boards at 35 mm down to 4 at 80 and 90 mm, and each option shows the m² per pack. Every size is made to order, about 10 business days. The 2400 x 1200 mm board comes in all seven thicknesses, the 3000 and 3600 mm lengths in some only. Store packs inside and never fix a wet board. Full figures are in the table below.\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"35mm - R1.15 - 2400 x 1200 mm (12 boards per pack, 34.56 m²)","offer_id":67636071661750,"sku":"100000036607","price":1987.0,"currency_code":"AUD","in_stock":true},{"title":"40mm - R1.35 - 2400 x 1200 mm (10 boards per pack, 28.8 m²)","offer_id":67636071694518,"sku":"100000039642","price":1710.0,"currency_code":"AUD","in_stock":true},{"title":"50mm - R1.80 - 2400 x 1200 mm (8 boards per pack, 23.04 m²)","offer_id":67636071727286,"sku":"100000036608","price":1493.0,"currency_code":"AUD","in_stock":true},{"title":"60mm - R2.35 - 2400 x 1200 mm (6 boards per pack, 17.28 m²)","offer_id":67636071760054,"sku":"100000036787","price":1214.0,"currency_code":"AUD","in_stock":true},{"title":"70mm - R2.80 - 2400 x 1200 mm (5 boards per pack, 14.4 m²)","offer_id":67636071792822,"sku":"100000039083","price":1098.0,"currency_code":"AUD","in_stock":true},{"title":"80mm - R3.25 - 2400 x 1200 mm (4 boards per pack, 11.52 m²)","offer_id":67636071825590,"sku":"100000073686","price":1162.0,"currency_code":"AUD","in_stock":true},{"title":"90mm - R3.70 - 2400 x 1200 mm (4 boards per pack, 11.52 m²)","offer_id":67636071858358,"sku":"100000047684","price":1249.0,"currency_code":"AUD","in_stock":true},{"title":"35mm - R1.15 - 3000 x 1200 mm (12 boards per pack, 43.2 m²)","offer_id":67636071891126,"sku":"100000038791","price":2525.0,"currency_code":"AUD","in_stock":true},{"title":"40mm - R1.35 - 3000 x 1200 mm (10 boards per pack, 36 m²)","offer_id":67636071923894,"sku":"100000036986","price":2173.0,"currency_code":"AUD","in_stock":true},{"title":"50mm - R1.80 - 3000 x 1200 mm (8 boards per pack, 28.8 m²)","offer_id":67636071956662,"sku":"100000065257","price":1897.0,"currency_code":"AUD","in_stock":true},{"title":"60mm - R2.35 - 3000 x 1200 mm (6 boards per pack, 21.6 m²)","offer_id":67636275085494,"sku":"100000065258","price":1542.0,"currency_code":"AUD","in_stock":true},{"title":"90mm - R3.70 - 3000 x 1200 mm (4 boards per pack, 14.4 m²)","offer_id":67636071989430,"sku":"100000046099","price":1587.0,"currency_code":"AUD","in_stock":true},{"title":"35mm - R1.15 - 3600 x 1200 mm (12 boards per pack, 51.84 m²)","offer_id":67636072022198,"sku":"100000036935","price":2981.0,"currency_code":"AUD","in_stock":true},{"title":"50mm - R1.80 - 3600 x 1200 mm (8 boards per pack, 34.56 m²)","offer_id":67636072054966,"sku":"100000036784","price":2239.0,"currency_code":"AUD","in_stock":true},{"title":"60mm - R2.35 - 3600 x 1200 mm (6 boards per pack, 25.92 m²)","offer_id":67636072087734,"sku":"100000038951","price":1820.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/kingspan-kooltherm-k17-corner-au-nz-sea_white.jpg?v=1791896491"},{"product_id":"r20hd-pink-wall-batts","title":"R2.0HD Fletcher Pink Batts High Density Wall Insulation","description":"\u003cp\u003ePink Batts Wall R2.0 HD is Fletcher Insulation's 70 mm glasswool wall batt, rated R2.0 for the thermal and acoustic insulation of residential walls. Fletcher's standard batt at 70 mm is R1.5, so the HD grade gets R2.0 out of the same thickness.\u003c\/p\u003e\n\u003ch3\u003eMatching the batt to the frame\u003c\/h3\u003e\n\u003cp\u003eAt 70 mm it suits a 70 mm stud wall, and the two widths here are the ones Fletcher lists for timber frames. Fletcher's conditions: fit it in the right stud width and depth, keep it dry, and install it without compression to keep its claimed R-value. For 90 mm studs, see the \u003ca href=\"\/products\/r20-pink-wall-batts\"\u003estandard R2.0 batt\u003c\/a\u003e or the \u003ca href=\"\/products\/r25hd-pink-wall-batts\"\u003eR2.5 HD\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhere it does not belong\u003c\/h3\u003e\n\u003cp\u003eFletcher says glasswool is not suitable for double brick cavity walls. The batt is not a water or vapour barrier and must never be exposed to weather. On external walls, Fletcher's guide puts Sisalation wall wrap such as \u003ca href=\"\/products\/sisalation-vapawrap\"\u003eVapawrap\u003c\/a\u003e across the outside of the frame first, and the batts must not touch the external facade.\u003c\/p\u003e\n\u003ch3\u003ePacks and coverage\u003c\/h3\u003e\n\u003cp\u003eEach pack holds 12 batts. A 430 mm pack is 5.99 m² of batt and a 580 mm pack 8.07 m². The coverage figures Fletcher prints, 6.8 m² and 8.96 m², allow for the framing.\u003c\/p\u003e\n\u003ch3\u003eFire and compliance\u003c\/h3\u003e\n\u003cp\u003eNon-combustible to AS 1530.1, with BAL compliance from Low to FZ under AS 3959. It complies with AS\/NZS 4859.1 as referenced in NCC 2022 and carries CodeMark certificate CM 30006. Full figures are in the table below.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"R2.0HD 1160x430x70mm (5.99m2\/pk)","offer_id":67636075331766,"sku":"4006279","price":56.0,"currency_code":"AUD","in_stock":true},{"title":"R2.0HD 1160x580x70mm (8.07m2\/pk)","offer_id":67636075364534,"sku":"4006280","price":75.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Pink_Batts-Wall-no_label-2400x2400-front.jpg?v=1791896552"},{"product_id":"kooltherm-k12-residential-batts","title":"R3.60 Kingspan Kooltherm K12 Framing Board Residential Batts","description":"\u003cp\u003eKooltherm K12 Framing Board in residential batt sizes is Kingspan's 80 mm, R3.60 rigid phenolic insulation, sized to fit between the studs of a timber or steel framed wall. The fibre-free core is faced on both sides with composite foil. Made in Australia.\u003c\/p\u003e\n\u003ch3\u003eChoosing the width\u003c\/h3\u003e\n\u003cp\u003eKingspan make 403, 413, 553 and 563 mm widths, all 1200 mm long and 80 mm thick. We sell 403 and 563 mm. Measure the gap between studs first, because Kingspan say to pick the width that best fits the stud frame. Full 2400 x 1200 mm sheets are on the \u003ca href=\"\/products\/kooltherm-k12-framing-board\"\u003eKooltherm K12 Framing Board\u003c\/a\u003e page.\u003c\/p\u003e\n\u003ch3\u003eWhat R3.60 means\u003c\/h3\u003e\n\u003cp\u003eR3.60 is Kingspan's declared R-value for the 80 mm product at 23 °C: the batt on its own, not a wall total. The data sheet lists it for framed walls in NCC Class 1 houses. For Type A and B walls in multi-storey Class 2 buildings, talk to Kingspan Technical Services first.\u003c\/p\u003e\n\u003ch3\u003ePacks and coverage\u003c\/h3\u003e\n\u003cp\u003eSix batts to a pack. A 403 mm pack covers 2.90 m² and a 563 mm pack 4.05 m², counting batt face area only. Both widths are stocked.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFill a gap under the noggin with an offcut and gaps on a vertical edge with HB FulaFoam Pro. Glasswool goes around services. Cut with a fine tooth saw. The foil conducts electricity, so keep it off bare cables. Kingspan require installation to AS 3999:2015 and AS 3000:2018. Wet boards should not be used, so keep the packs dry. Full figures are in the table below.\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"1200 x 403 x 80 mm (6 per pack, 2.90 m²)","offer_id":67636077887670,"sku":"100000078034","price":166.25,"currency_code":"AUD","in_stock":true},{"title":"1200 x 563 x 80 mm (6 per pack, 4.05 m²)","offer_id":67636077920438,"sku":"100000078037","price":232.75,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/guide-002.jpg?v=1791897198"},{"product_id":"rhino-wrap-rp-51","title":"Rhino Wrap RP-51 Class 2 Heavy Duty Reflective Wall Wrap","description":"\u003cp\u003eRhino Wrap RP-51 is a heavy duty reflective wall wrap from Thor Building Products, rated Class 2, Vapour Barrier and Water Barrier. Aluminium foil is bonded to a reinforcing polymer mesh, treated blue to reduce glare. Thor list it for residential and commercial walls.\u003c\/p\u003e\n\u003ch3\u003eCheck the climate zone first\u003c\/h3\u003e\n\u003cp\u003eNCC 2022 sets a minimum vapour permeance for a membrane outside the insulation in the external wall of a house, apartment or Class 4 part of a building: 0.143 µg\/N·s in climate zones 4 and 5, and 1.140 µg\/N·s in zones 6 to 8. A Class 2 vapour barrier meets that deemed-to-satisfy rule only in zones 1 to 3, and Melbourne and Sydney are outside them. For a brick veneer house there, look at \u003ca href=\"\/products\/trade-select-wall-wrap-xr-micro-perforated-hd\"\u003eTrade Select Wall Wrap xR Micro-perforated HD\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eR-value and fire rating\u003c\/h3\u003e\n\u003cp\u003eThor state that up to R1.1 may be added to the wall system behind brick veneer or other cladding with a drained cavity, and recommend at least 20 mm of air space against the foil face. Flammability index is Low (≤5). It is suitable for BAL 12.5 to FZ under AS 3959 section 3.10, except exposed installations in fire control rooms or fire-isolated exits.\u003c\/p\u003e\n\u003ch3\u003eRoll and site notes\u003c\/h3\u003e\n\u003cp\u003eEach 1350 mm x 60 m roll covers 81 m². Install to AS\/NZS 4200.2 and clad as soon as you can. Store rolls dry, keep wet concrete and mortar off the wrap and allow for up to 2% shrinkage. The foil conducts electricity, so keep it clear of wiring. Full figures are in the table below.\u003c\/p\u003e","brand":"Rhino","offers":[{"title":"1350 mm x 60 m (81 m²)","offer_id":67636087816374,"sku":"RP-51-60","price":123.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/RP-51-1.jpg?v=1791897626"},{"product_id":"rhino-wrap-breather-rp-51b","title":"Rhino Wrap Breather RP-51B Class 3 Vapour Permeable Foil Wall Wrap","description":"\u003cp\u003eRhino Wrap Breather (RP-51B) is a heavy duty reflective wall wrap from Thor Building Products, rated Class 3, Vapour Permeable. Aluminium foil is bonded to a reinforcing polymer mesh treated blue to cut glare. Thor's selection guide places it in brick veneer walls.\u003c\/p\u003e\n\u003ch3\u003eNot a water barrier\u003c\/h3\u003e\n\u003cp\u003eThor class this perforated wrap as a Non-Water Barrier, so it relies on a drained cavity, which brick veneer has by design. Their condensation guide rules out lightweight cladding in any situation, even with a battened cavity, because perforated non-water barrier products do not meet cladding manufacturers' warranty terms.\u003c\/p\u003e\n\u003ch3\u003eCheck the climate zone first\u003c\/h3\u003e\n\u003cp\u003eFor houses and apartments, NCC 2022 wants a membrane outside the wall insulation to reach 0.143 µg\/N·s in climate zones 4 and 5, and 1.140 µg\/N·s in zones 6, 7 and 8. Class 3 is the minimum for zones 4 and 5. It falls short in zones 6 to 8, Melbourne included, where a Class 4 wrap is the deemed-to-satisfy choice. Our \u003ca href=\"\/blogs\/blog\/choosing-wall-wrap-and-sarking\"\u003ewall wrap buyer guide\u003c\/a\u003e compares the options.\u003c\/p\u003e\n\u003ch3\u003eOrdering and on site\u003c\/h3\u003e\n\u003cp\u003eEach roll is 1350 mm x 60 m and covers 81 m². Install to AS\/NZS 4200.2. Thor recommend at least a 20 mm air space next to the foil face, and say up to R1.1 may be added to the wall system behind brick veneer. Clad as soon as you can, store the rolls dry, keep wet concrete and mortar off the wrap and allow for up to 2% shrinkage. The foil is electrically conductive. Full figures are in the table below.\u003c\/p\u003e","brand":"Rhino","offers":[{"title":"1350 mm x 60 m (81 m²)","offer_id":67636087947446,"sku":"RP-51B-60","price":123.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/RP-51-1_ecb56b53-a74d-4de9-8c42-6b9b047d2b64.jpg?v=1791897632"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/collections\/wall-insulation.webp?v=1786446103","url":"https:\/\/awbm.com.au\/collections\/wall-insulation.oembed?page=3","provider":"AWBM","version":"1.0","type":"link"}