{"title":"Building Membrane","description":"\u003cp\u003eExplore AWBM's range of building membranes, including vapour-permeable wall wraps, reflective foil sarking and roof underlays from trusted brands. Supplied across Australia and available to order online for residential and commercial construction.\u003c\/p\u003e","products":[{"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":"SQ6162271","price":261.48,"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, 1500 mm x 30 m covering 45 m² at 0.45 mm thick. 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\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":"Default Title","offer_id":45225009578166,"sku":"SQ7956783","price":91.91,"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 (41.5 m²)","offer_id":45225009643702,"sku":"SQ2720695","price":72.2,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 30 m (45 m²","offer_id":45225009676470,"sku":"SQ6938355","price":79.42,"currency_code":"AUD","in_stock":true},{"title":"2740 mm x 30 m (82.2 m²)","offer_id":45225009709238,"sku":"SQ9983546","price":160.78,"currency_code":"AUD","in_stock":true},{"title":"3050 mm x 30 m (91.5 m²)","offer_id":45225009742006,"sku":"SQ5307740","price":175.98,"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 Breather","description":"\u003cp\u003eTrade Select Wall Wrap Breather from Ametalin, stocked in Heavy Duty and Medium Duty, each in 1350 mm and 1500 mm widths in 30 m and 60 m rolls. Coverage runs from 40.5 m² to 90 m² per roll.\u003c\/p\u003e\n\u003ch3\u003eChoose the duty from the site, not the wall\u003c\/h3\u003e\n\u003cp\u003eBoth grades do the same job once the cladding is on. The difference shows up before that, while the frame stands wrapped and exposed. Heavy Duty is the one for a windy site, a long build program, or a frame that other trades will be working past. Medium Duty is enough where the cladding follows quickly.\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, or the wrap is not a weather barrier.\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 Ametalin data sheet.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"Light Duty \/ 1350 mm x 30 m (40.5 m²)","offer_id":45225010135222,"sku":"SQ0172366","price":52.44,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1350 mm x 60 m (81 m²)","offer_id":45225010167990,"sku":"SQ1761276","price":95.85,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1500 mm x 30 m (45 m²)","offer_id":45225010200758,"sku":"SQ8075565","price":57.57,"currency_code":"AUD","in_stock":true},{"title":"Light Duty \/ 1500 mm x 60 m (90 m²)","offer_id":45225010233526,"sku":"SQ0983189","price":105.83,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1350 mm x 30 m (40.5 m²)","offer_id":45225010004150,"sku":"SQ4338165","price":60.32,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1350 mm x 60 m (81 m²)","offer_id":45225010036918,"sku":"SQ7365734","price":112.9,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1500 mm x 30 m (45 m²)","offer_id":45225010069686,"sku":"SQ8200615","price":62.98,"currency_code":"AUD","in_stock":true},{"title":"Medium Duty \/ 1500 mm x 60 m (90 m²)","offer_id":45225010102454,"sku":"SQ8369230","price":119.27,"currency_code":"AUD","in_stock":true},{"title":"Heavy Duty \/ 1350 mm x 30 m (40.5 m²)","offer_id":45225009873078,"sku":"SQ7558566","price":69.44,"currency_code":"AUD","in_stock":true},{"title":"Heavy Duty \/ 1350 mm x 60 m (81 m²)","offer_id":45225009905846,"sku":"SQ2813846","price":131.0,"currency_code":"AUD","in_stock":true},{"title":"Heavy Duty \/ 1500 mm x 30 m (45 m²)","offer_id":45225009938614,"sku":"SQ4665778","price":74.05,"currency_code":"AUD","in_stock":true},{"title":"Heavy Duty \/ 1500 mm x 60 m (90 m²)","offer_id":45225009971382,"sku":"SQ7032971","price":141.07,"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":102.69,"currency_code":"AUD","in_stock":true},{"title":"1500x50m (75m2)","offer_id":45225010692278,"sku":"SQ0447407","price":200.73,"currency_code":"AUD","in_stock":true},{"title":"1750x25m (68.75m2)","offer_id":45225010725046,"sku":"SQ1433844","price":176.51,"currency_code":"AUD","in_stock":true},{"title":"3000x30m (90m2)","offer_id":45225010757814,"sku":"SQ1058095","price":207.86,"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":196.65,"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":"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":429.4,"currency_code":"AUD","in_stock":true},{"title":"CW-IT Wall Wrap, 1500 mm x 50 m (75 m²)","offer_id":45351447167158,"sku":"134863","price":533.9,"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-thermoseal-metal-roof-and-wall-sarking","title":"Bradford Thermoseal Metal Roof and Wall Sarking","description":"\u003cp\u003eBradford Thermoseal metal roof and wall sarking is a light duty double aluminium laminate with an antiglare outer surface. It goes under metal roof sheeting or behind wall cladding as a second skin.\u003c\/p\u003e\n\u003ch3\u003eWhat it does and what it does not\u003c\/h3\u003e\n\u003cp\u003eTaped and sealed it is a water and air barrier, and it works as a vapour barrier. The semi-reflective face cuts radiant heat and can contribute additional R-value, but only when it faces an air gap. Laid tight against another surface it contributes very little, so the detailing decides the result.\u003c\/p\u003e\n\u003cp\u003eIt is a sarking, not a roofing blanket. If the roof needs bulk insulation and condensation control across the whole plane, that is a \u003ca href=\"\/products\/bradford-anticon-roofing-blanket-light-duty\"\u003eblanket\u003c\/a\u003e, and the two are often used together rather than instead of each other.\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. The 60 m roll halves the number of end joins on a long run.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eAntiglare face out, tape the joins, seal the penetrations, keep the air gap on the reflective side. 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":45351447298230,"sku":"105871","price":101.65,"currency_code":"AUD","in_stock":true},{"title":"1350 mm x 60 m (81 m²)","offer_id":45351447330998,"sku":"15056","price":203.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-thermoseal-metal-roof-and-wall-sarking.jpg?v=1786540076"},{"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":116.85,"currency_code":"AUD","in_stock":true},{"title":"1350 mm x 60 m (81 m²)","offer_id":45351449755830,"sku":"124652","price":233.7,"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-thermoseal-resiwrap","title":"Bradford Thermoseal Resiwrap","description":"\u003cp\u003eBradford Thermoseal Resiwrap is the extra heavy duty wall wrap in the Thermoseal family, built for high wind and harsh weather sites.\u003c\/p\u003e\n\u003ch3\u003eWhen toughness is the deciding factor\u003c\/h3\u003e\n\u003cp\u003eWall wrap fails on site more often than it fails in service. It gets torn during framing, flogged by wind before the cladding goes on, or punctured by a trade working past it. On an exposed site, or where the frame will stand wrapped for weeks before cladding, the extra duty rating is worth more than any difference in the thermal figures.\u003c\/p\u003e\n\u003ch3\u003eReflective face inward\u003c\/h3\u003e\n\u003cp\u003eThe reflective surface faces inward on this one and works against the air gap behind the cladding. It is also a vapour barrier, so check that a barrier is what your wall build-up wants before specifying it.\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. On a big job the 60 m roll means fewer joins, and every join is a place to tape.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eTape the joins, seal the penetrations, keep the air gap. Suitable for BAL 12.5 through to Flame Zone.\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":45351449919670,"sku":"108879","price":85.5,"currency_code":"AUD","in_stock":true},{"title":"1350 mm x 60 m (81 m²)","offer_id":45351449952438,"sku":"108004","price":170.05,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 30 m (45 m²)","offer_id":45351449985206,"sku":"120121","price":95.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-thermoseal-resiwrap.jpg?v=1786540210"},{"product_id":"bradford-thermoseal-tile-roof-sarking","title":"Bradford Thermoseal Tile Roof Sarking","description":"\u003cp\u003eBradford Thermoseal tile roof sarking is a tear resistant laminate that lays under roof tiles as a protective second skin. Two options, Plain and Plus, both 1500 mm x 30 m covering 45 m².\u003c\/p\u003e\n\u003ch3\u003eWhy a tile roof needs sarking\u003c\/h3\u003e\n\u003cp\u003eA tile roof is not a sealed surface. Wind driven rain, dust and embers can all get past the tiles, and the sarking is what stops them reaching the roof space. It also cuts the draughts that move through a tiled roof and reflects radiant heat off the underside of the tiles.\u003c\/p\u003e\n\u003ch3\u003eBarrier performance\u003c\/h3\u003e\n\u003cp\u003eWater barrier and Class 2 vapour barrier. Suitable for BAL 12.5 through to Flame Zone when installed to specification, which matters in tile roofing because the tile gaps are exactly the ember path a bushfire rating is worried about.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eRoll it out across the battens before tiling and lap it down the slope so water runs over a join rather than into it. It is a tough laminate, so it takes the handling that comes with working across a battened roof.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"Plain, 1500 mm x 30 m (45 m²)","offer_id":45351462764726,"sku":"15110","price":167.2,"currency_code":"AUD","in_stock":true},{"title":"Plus, 1500 mm x 30 m (45 m²)","offer_id":45351462797494,"sku":"27308","price":171.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-thermoseal-tile-roof-sarking.jpg?v=1786540458"},{"product_id":"bradford-enviroseal-tuff-wall-wrap-and-roof-sarking","title":"Bradford Enviroseal Tuff Wall Wrap and Roof Sarking","description":"\u003cp\u003eBradford Enviroseal Tuff is a breathable air and water barrier rated for both roof sarking and wall wrap. It is the roof-capable member of the Enviroseal family, aimed at condensation control under the roof as well as weather defence during construction.\u003c\/p\u003e\n\u003ch3\u003eWhy a roof needs a breather too\u003c\/h3\u003e\n\u003cp\u003eWarm moist air rises. When it meets the cold underside of roof sheeting it condenses, and a roof sarking that traps that moisture keeps it in the roof cavity instead of letting it move on. A breathable membrane lets the vapour through while still stopping wind driven rain from getting into the cavity. \u003ca href=\"\/blogs\/blog\/metal-roof-condensation-australia\"\u003eCondensation in metal roofs\u003c\/a\u003e covers the mechanism in detail.\u003c\/p\u003e\n\u003ch3\u003eThree options\u003c\/h3\u003e\n\u003cp\u003eEnviroseal HTS, Enviroseal HTS-IT with integrated tape, and Enviroseal Tuff, all 1500 mm x 30 m covering 45 m². The IT version carries its own tape strip for faster, neater sealing.\u003c\/p\u003e\n\u003ch3\u003eBushfire\u003c\/h3\u003e\n\u003cp\u003eSuitable for all BAL regions, which is broader than most membranes in the range and makes it a straightforward choice on a bushfire rated site.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"Enviroseal HTS, 1500 mm x 30 m (45 m²)","offer_id":45351465189558,"sku":"185381","price":339.15,"currency_code":"AUD","in_stock":true},{"title":"Enviroseal HTS-IT with tape, 1500 mm x 30 m (45 m²)","offer_id":45351465222326,"sku":"190904","price":381.9,"currency_code":"AUD","in_stock":true},{"title":"Enviroseal Tuff, 1500 mm x 30 m (45 m²)","offer_id":45351465255094,"sku":"487982","price":339.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-enviroseal-tuff-wall-wrap-and-roof-sarking.jpg?v=1786540542"},{"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":139.65,"currency_code":"AUD","in_stock":true},{"title":"Thermoplast Class 4, 1350 mm x 60 m (81 m²)","offer_id":45351475151030,"sku":"486521","price":279.3,"currency_code":"AUD","in_stock":true},{"title":"Thermoseal, 1350 mm x 30 m (40.5 m²)","offer_id":45351475183798,"sku":"101254","price":139.65,"currency_code":"AUD","in_stock":true},{"title":"Thermoseal, 1350 mm x 60 m (81 m²)","offer_id":45351475216566,"sku":"15123","price":279.3,"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":149.15,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 30 m (45 m²)","offer_id":45351476953270,"sku":"478759","price":165.3,"currency_code":"AUD","in_stock":true},{"title":"1500 mm x 50 m (75 m²)","offer_id":45351476986038,"sku":"485832","price":275.5,"currency_code":"AUD","in_stock":true},{"title":"2750 mm x 25 m (68.75 m²)","offer_id":45351477018806,"sku":"481184","price":252.7,"currency_code":"AUD","in_stock":true},{"title":"3000 mm x 25 m (75 m²)","offer_id":45351477051574,"sku":"481185","price":275.5,"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":"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":165.3,"currency_code":"AUD","in_stock":true},{"title":"RW Wall Wrap, 1500 mm x 50 m (75 m²)","offer_id":45351479935158,"sku":"118153","price":403.75,"currency_code":"AUD","in_stock":true},{"title":"RW Wall Wrap, 2750 mm x 25 m (68.75 m²)","offer_id":45351479967926,"sku":"138628","price":252.7,"currency_code":"AUD","in_stock":true},{"title":"RW Wall Wrap, 3000 mm x 25 m (75 m²)","offer_id":45351480000694,"sku":"155884","price":275.5,"currency_code":"AUD","in_stock":true},{"title":"RW-IT Wall Wrap, 1500 mm x 50 m (75 m²)","offer_id":45351480033462,"sku":"165532","price":391.4,"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":"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":132.05,"currency_code":"AUD","in_stock":true},{"title":"Plain, 1350 mm x 60 m (81 m²)","offer_id":45351485145270,"sku":"15128","price":263.15,"currency_code":"AUD","in_stock":true},{"title":"Plain, 1500 mm x 30 m (45 m²)","offer_id":45351485178038,"sku":"40514","price":146.3,"currency_code":"AUD","in_stock":true},{"title":"Prime, 1350 mm x 30 m (40.5 m²)","offer_id":45351485210806,"sku":"169161","price":139.65,"currency_code":"AUD","in_stock":true},{"title":"Prime, 1350 mm x 60 m (81 m²)","offer_id":45351485243574,"sku":"169232","price":279.3,"currency_code":"AUD","in_stock":true},{"title":"Prime, 1500 mm x 30 m (45 m²)","offer_id":45351485276342,"sku":"178641","price":155.8,"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/collections\/building-membrane.webp?v=1786446294","url":"https:\/\/awbm.com.au\/collections\/building-membrane.oembed","provider":"AWBM","version":"1.0","type":"link"}