{"title":"Roofing \u0026 Safety Mesh","description":"\u003cp\u003eExplore AWBM's range of roofing and safety mesh, supplying durable wire mesh for fall protection and roof reinforcement on building sites across Australia.\u003c\/p\u003e","products":[{"product_id":"roof-razor-insulation-spacer","title":"Roof Razor® Insulation Spacer","description":"\u003cp\u003eRoof Razor is a galvanised steel spacer that sits on the purlin and holds the roof sheet clear of it, so the blanket underneath keeps its full thickness right across the support. It is 1200 mm long, which matches a standard blanket width, and comes pre-loaded with its fasteners.\u003c\/p\u003e\n\u003ch3\u003eWhy a spacer changes the numbers\u003c\/h3\u003e\n\u003cp\u003eInsulation crushed flat at the purlin is where most of the heat crosses a metal roof. A blanket rated at R2.5 that gets squeezed to nothing every 1200 mm is not delivering R2.5 across the roof, and no amount of extra thickness fixes that on its own. The spacer keeps the blanket at full loft over the support, which is the whole point of specifying one. \u003ca href=\"\/blogs\/blog\/roofing-blanket-r-values\"\u003eRoofing blanket R-values\u003c\/a\u003e explains the gap between the number on the roll and the number the roof achieves.\u003c\/p\u003e\n\u003ch3\u003ePicking the height\u003c\/h3\u003e\n\u003cp\u003eChoose from the blanket you are using, not from the roof pitch. The 60 mm spacer suits 75 to 80 mm blanket, the 85 mm suits 100 to 120 mm blanket, and the 115 mm is for thicker build-ups. Six pieces per pack gives 7.2 lineal metres.\u003c\/p\u003e\n\u003ch3\u003eBefore you order\u003c\/h3\u003e\n\u003cp\u003eCheck the purlin. The standard spacer needs a minimum 1.2 BMT purlin with a full 50 mm flat surface, because a narrower flange will not take the fixing pattern. Standard version covers wind regions A and B, and a cyclonic version is made for regions C and D. If you are fixing to timber battens, order the version without pre-loaded screws.\u003c\/p\u003e\n\u003cp\u003eDead load capacity is 205 kg between the legs regardless of span, and the spacer is steel, so it adds no fuel load. Full structural figures are in the table below, and \u003ca href=\"\/blogs\/blog\/metal-roof-insulation-australia\"\u003eMetal roof insulation in Australia\u003c\/a\u003e shows where the spacer sits in the layer order.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"Pre-loaded screws \/ 60mm (6pk, 1200mm)","offer_id":45225008890038,"sku":"SQ7719213","price":97.99,"currency_code":"AUD","in_stock":true},{"title":"Pre-loaded screws \/ 85mm (6pk, 1200mm)","offer_id":45225008922806,"sku":"SQ8638150","price":97.99,"currency_code":"AUD","in_stock":true},{"title":"Pre-loaded screws \/ 115mm (6pk, 1200mm)","offer_id":45225008955574,"sku":"SQ9782485","price":111.05,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/product-roof-razor-720x720px-1.webp?v=1782756319"},{"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-firesark","title":"Trade Select FireSark®","description":"\u003cp\u003eTrade Select FireSark is a non-combustible roof sarking and wall wrap built for bushfire areas. E-glass fabric bonded to a 97% reflective aluminium foil with a fire resistant adhesive, 1350 mm x 30 m covering 40.5 m².\u003c\/p\u003e\n\u003ch3\u003eNon-combustible, not just fire retardant\u003c\/h3\u003e\n\u003cp\u003eBoth the fibreglass fabric and the aluminium foil are not deemed combustible, flammability index is 1, and ignitability, spread of flame and heat evolved indices are all 0 with smoke developed at 2. It complies with AS 3959-2018 for all Bushfire Attack Levels including Flame Zone, and meets the Deemed-to-Satisfy provisions for non-combustible construction. On a BAL rated job that combination is the reason to specify it.\u003c\/p\u003e\n\u003ch3\u003eVery strong for a membrane\u003c\/h3\u003e\n\u003cp\u003eTensile strength is 58 kN\/m in the machine direction against a 13.0 minimum, and 26 kN\/m lateral against a 10.5 minimum. Extra Heavy duty to AS\/NZS 4200.1:2017. That is a large margin, and it matters on a site where the sarking may sit exposed before cladding.\u003c\/p\u003e\n\u003ch3\u003eBarrier and reflective performance\u003c\/h3\u003e\n\u003cp\u003eClass 2 vapour barrier at 0.003 µg\/N·s, water barrier and air barrier. The foil face is 97% reflective with an emittance of 0.03, so it needs an air gap in front of it to contribute. It is electrically conductive, so keep it clear of wiring.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"Default Title","offer_id":45225010266294,"sku":"SQ4207071","price":210.56,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/FireSark-Product-Shot-1024x1024-Trade-Select.webp?v=1782756327"},{"product_id":"trade-select-ceasefire","title":"Trade Select CeaseFire®","description":"\u003cp\u003eTrade Select CeaseFire is a vapour permeable wall wrap and sarking built from a single layer of non-combustible E-glass fabric infused with a hydrophobic treatment. 1500 mm x 30 m covering 45 m² at 0.17 mm.\u003c\/p\u003e\n\u003ch3\u003eThe rare combination\u003c\/h3\u003e\n\u003cp\u003eMost membranes make you choose between fire performance and breathability. CeaseFire is NCC Group 1, its E-glass component is not deemed combustible to AS 1530.1, flammability index is 1, and it is still Class 4 vapour permeable at 1.5767 µg\/N·s. That means a wall on a fire rated job can still dry outward instead of being sealed up.\u003c\/p\u003e\n\u003ch3\u003eDuty and strength\u003c\/h3\u003e\n\u003cp\u003eExtra Heavy duty to AS\/NZS 4200.1:2017. Tensile strength 24 kN\/m machine direction against a 13.0 minimum, edge tear 326 N against a 90 minimum, and 0.0% shrinkage.\u003c\/p\u003e\n\u003ch3\u003eNon-reflective\u003c\/h3\u003e\n\u003cp\u003eEmittance 0.90 on both faces, category NN, and non-conductive. It does not need an air gap to perform and it does not carry the electrical risk a foil wrap does.\u003c\/p\u003e\n\u003ch3\u003eAgainst FireSark\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/trade-select-firesark\"\u003eFireSark\u003c\/a\u003e is the reflective, vapour barrier answer for bushfire areas. CeaseFire is the breathable, non-reflective one. Which is right depends on whether the wall needs to dry outward or needs a vapour barrier.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"Default Title","offer_id":45225010331830,"sku":"SQ8576331","price":681.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Trade-Select-CeaseFire-02.webp?v=1782756328"},{"product_id":"trade-select-thermalliner","title":"Trade Select ThermalLiner","description":"\u003cp\u003eTrade Select ThermalLiner is a foil faced XPE foam roll for roofs and walls, 1500 mm by 20 m covering 30 m², over a 4 mm closed cell foam core with aluminium foil laminated to a polymer weave on both faces.\u003c\/p\u003e\n\u003ch3\u003eWhere the R-value comes from\u003c\/h3\u003e\n\u003cp\u003eThe material R-value is 0.11 m²K\/W, stated as RM 0.1. That number on its own is not what makes a reflective product work. The performance comes from the foil facing an air cavity, so the bright face has to go into the cavity and the cavity has to stay clear. Dust settling on an upward facing foil surface cuts the reflective performance over time, which is why the orientation and the detailing matter more here than the thickness. \u003ca href=\"\/blogs\/blog\/blanket-vs-sarking-vs-batts\"\u003eBlanket, sarking or batts\u003c\/a\u003e sets out where a reflective product belongs against bulk insulation, and why one rarely replaces the other.\u003c\/p\u003e\n\u003ch3\u003eThe quiet benefit on a shed\u003c\/h3\u003e\n\u003cp\u003eThe foam core also dampens drumming on a metal roof. On a shed or garage that is often the difference people notice first, ahead of the temperature. \u003ca href=\"\/blogs\/blog\/insulating-a-metal-shed-roof\"\u003eWhy metal sheds and garages get so hot\u003c\/a\u003e goes through the options.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eRun it with the bright foil face into the air cavity. Keep the cavity clear. The foil conducts electricity, so keep it clear of wiring during installation.\u003c\/p\u003e\n\u003cp\u003eFull thermal, strength and classification figures are in the table below.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"Default Title","offer_id":45225010397366,"sku":"SQ2745855","price":271.84,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/TradeSelect-ThermalLiner-4-1024x1024-2.webp?v=1782756329"},{"product_id":"thermalbreak-7","title":"Trade Select ThermalBreak 7","description":"\u003cp\u003eThermalBreak 7 is a foil faced XPE foam sarking made for one specific job: the thermal break the NCC asks for where cladding fixes straight onto steel framing. Material R-value is 0.21 m²K\/W, and 0.20 once it is compressed.\u003c\/p\u003e\n\u003ch3\u003eWhy the compressed figure is the one that counts\u003c\/h3\u003e\n\u003cp\u003eA thermal break gets squashed the moment the cladding screws go through it. A product that only holds its rating uncompressed is not doing the job on site. This one still holds R0.20 compressed, which is exactly what the code asks for at those junctions. \u003ca href=\"\/blogs\/blog\/thermal-break-r02-explained\"\u003eThermal breaks explained\u003c\/a\u003e covers where the requirement applies and why such a small number matters at all.\u003c\/p\u003e\n\u003ch3\u003eWhat it does beyond the thermal break\u003c\/h3\u003e\n\u003cp\u003eIt is also a Class 2 vapour barrier, a water barrier to AS\/NZS 4201.4 and an air barrier, classified Extra Heavy duty to AS\/NZS 4200.1:2017. Fire is Group 1 to AS 5637.1 with a Low flammability classification, and it is suitable for all Bushfire Attack Levels. Get independent advice before locking a sarking into a BAL design.\u003c\/p\u003e\n\u003ch3\u003eSystem values\u003c\/h3\u003e\n\u003cp\u003eAn independent engineer calculated total system R-values to AS\/NZS 4859.2:2018 for typical mainland capital city conditions under NCC 2019: RT 0.92 in winter and 2.02 in summer for a warehouse roof with no ceiling, and RT 2.07 winter and 2.03 summer in a double brick wall. Those figures were calculated against NCC 2019 and may not carry across to other editions of the code, so check before relying on them for a current submission.\u003c\/p\u003e\n\u003ch3\u003eRoll and fitting\u003c\/h3\u003e\n\u003cp\u003eOne roll size: 1350 mm by 22.25 m plus a 150 mm flap, covering 30 m², over a 7.8 mm foam core. Fix it over the steel frame before the cladding goes on so it sits between frame and sheet and breaks the conduction path, and lap the runs onto the flap rather than butting them. Do not stretch it drum tight over the studs, because the compressed R0.20 figure assumes there is still foam there to compress. The foil conducts electricity, so keep it clear of wiring.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Ametalin","offers":[{"title":"Default Title","offer_id":45225010462902,"sku":"SQ2821695","price":335.88,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Trade-Select-ThermalBreak-7-1024x1024-2-1.webp?v=1782756329"},{"product_id":"ecoroof-roofing-blanket","title":"EcoRoof Roofing Blanket","description":"\u003cp style=\"max-width:none;width:100%;box-sizing:border-box;margin:0 0 1rem;padding:.85rem 1rem;border-left:3px solid #E8A200;background:#F7F6F4;font-size:.95rem;line-height:1.5;\"\u003e\u003cstrong\u003eMade in Australia by All Weather.\u003c\/strong\u003e Based in Sydney, servicing Melbourne and the rest of Australia. Order online and we will get it to your site or your door.\u003c\/p\u003e\n\u003cp\u003eECOROOF® is a foil faced glasswool blanket that lays over the purlins before the metal sheeting goes on. One layer does three jobs. It slows the heat coming through the roof, it takes the drumming out of rain on steel, and the foil face keeps warm inside air off the cold underside of the sheet, which is where condensation starts.\u003c\/p\u003e\n\u003ch3\u003eWhich thickness do I need\u003c\/h3\u003e\n\u003cp\u003eThickness sets the R-value. EcoRoof starts at 55 mm for R1.3 and steps up through 75 mm for R1.8 and 100 mm for R2.3, with a 130 mm roll above that. Thicker is not automatically better. The blanket only gives its rated figure if it recovers full thickness between the sheet and the purlin, so a thick blanket squashed over a purlin can end up performing like a thinner one. If the roof has safety mesh under it, plan for a spacer. \u003ca href=\"\/blogs\/blog\/roofing-blanket-r-values\"\u003eRoofing blanket R-values\u003c\/a\u003e covers how the steps work and what spacer depth does to the result.\u003c\/p\u003e\n\u003ch3\u003eWhere it sits in the roof\u003c\/h3\u003e\n\u003cp\u003eBlanket goes above the purlins and under the sheeting, foil face down. It is not sarking and it is not batts, and the three are not interchangeable. \u003ca href=\"\/blogs\/blog\/blanket-vs-sarking-vs-batts\"\u003eBlanket, sarking or batts\u003c\/a\u003e sets out which goes where, and \u003ca href=\"\/blogs\/blog\/metal-roof-insulation-australia\"\u003eMetal roof insulation in Australia\u003c\/a\u003e shows the full layer order including mesh and spacers.\u003c\/p\u003e\n\u003ch3\u003eOrdering\u003c\/h3\u003e\n\u003cp\u003eSold by the roll, 1200 mm wide. A 55 mm roll covers 18 m² and a 130 mm roll covers 12 m². Measure the roof area, divide by the roll coverage, then allow for the 150 mm foil lap on every run and for waste at hips and valleys. \u003ca href=\"\/blogs\/blog\/how-much-insulation-do-i-need\"\u003eHow much insulation do I need\u003c\/a\u003e works through an example.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eLay it with the foil facing to the inside and lap the foil edge over the previous run, then seal the lap. Keep it dry before and during the install and do not compress it. The foil conducts electricity, so keep it clear of wiring.\u003c\/p\u003e\n\u003cp\u003eBacked by a 15 year warranty against defects in materials and manufacture. Fire indices, compliance detail and the full size list are in the technical data table below.\u003c\/p\u003e","brand":"AWI","offers":[{"title":"55mm - R1.3 1200x15m (18m2)","offer_id":45225010528438,"sku":"SQ9082691","price":94.9,"currency_code":"AUD","in_stock":true},{"title":"75mm - R1.8 1200x15m (18m2)","offer_id":45225010561206,"sku":"SQ9223919","price":142.64,"currency_code":"AUD","in_stock":true},{"title":"100mm - R2.3 1200x10m (12m2)","offer_id":45225010593974,"sku":"SQ2085250","price":118.75,"currency_code":"AUD","in_stock":true},{"title":"130mm - R3.2 1200x10m (12m2)","offer_id":45225010626742,"sku":"SQ0742932","price":154.37,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/ecoroof-roofing-blanket-roll.jpg?v=1786458558"},{"product_id":"roof-bloc-300","title":"Roof Bloc 300 - Roof Safety Mesh","description":"\u003cp\u003eRoof Bloc 300 is Australian made galvanised roof safety mesh, 300 mm by 150 mm aperture, designed to comply with AS\/NZS 4389:2015 and tested to Appendix A of that standard by a NATA accredited laboratory. It goes across the purlins or battens and is fixed down before the roof sheets, so it is in place while anyone is still working above the ceiling.\u003c\/p\u003e\n\u003ch3\u003eWhat it is for\u003c\/h3\u003e\n\u003cp\u003eThe primary job is fall protection for people working on a steel or timber framed roof. The secondary job is supporting synthetic underlay in enclosed roof spaces and foil underlay in exposed ones. It can also support insulation, but check the intended use with the insulation manufacturer first, because not every product is meant to be carried on mesh. \u003ca href=\"\/blogs\/blog\/roof-safety-mesh-requirements-australia\"\u003eRoof safety mesh: when is it required\u003c\/a\u003e covers where mesh is the right control and what the standard actually specifies.\u003c\/p\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cp\u003eWire is 2.0 mm, galvanised to AS\/NZS 4534:2006 W02, with line wires at 500 MPa minimum tensile and cross wires at 450 MPa minimum. Longitudinal wires run at 150 mm centres, cross wires at 300 mm.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eThree stock widths, all 50 m rolls: 1800 mm covering 90 m², 2250 mm covering 112.5 m² and 2400 mm covering 120 m². The 900 mm and 1200 mm widths are made to special order, and cut to length rolls are available, so ask if your run does not divide neatly.\u003c\/p\u003e\n\u003ch3\u003eLimits worth knowing before you order\u003c\/h3\u003e\n\u003cp\u003eNot recommended for coastal or seashore sites, or buildings with a high internal moisture load. It is rated for fall protection and underlay support, not as a structural element. Compliance holds only while the mesh is undamaged and installed to the written instructions, by or under the supervision of a licensed builder, so do not use mesh that has been kinked or cut in transit.\u003c\/p\u003e\n\u003cp\u003eFull wire and compliance figures are in the table below.\u003c\/p\u003e","brand":"Austral Wire Products","offers":[{"title":"1800x50m (90m2)","offer_id":45225011183798,"sku":"SQ2764798","price":99.75,"currency_code":"AUD","in_stock":true},{"title":"2250x50m (112.5m2)","offer_id":45225011216566,"sku":"SQ2274724","price":130.15,"currency_code":"AUD","in_stock":true},{"title":"2400x50m (120m2)","offer_id":45225011249334,"sku":"SQ8770860","price":137.75,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/roof-bloc-300-safety-mesh-rolls.jpg?v=1786455904"},{"product_id":"sisalation-foam-cell-multipurpose","title":"SISALATION® FOAM CELL MULTIPURPOSE","description":"\u003cp\u003eSisalation Foam Cell Multipurpose is a five layer foil faced foam sarking for walls and roofs, 8.4 mm thick with a 150 mm overlap flap. 1350 mm x 22.25 m covering 30 m², 18 kg per roll.\u003c\/p\u003e\n\u003ch3\u003eThe thick one in the Foam Cell range\u003c\/h3\u003e\n\u003cp\u003eAt 8.4 mm it carries a material R-value of R0.25, which is high for a sarking, and its Extra Heavy duty classification means it takes site handling that lighter membranes do not. Both faces are anti-glare coated aluminium foil over a cross linked closed cell foam core, so it reflects up to 95% of radiant heat from either side.\u003c\/p\u003e\n\u003ch3\u003eBarrier performance\u003c\/h3\u003e\n\u003cp\u003eClass 1 vapour barrier at under 0.0022 µg\/N·s and a water barrier to AS\/NZS 4201.4. This is a barrier, not a breather, so check that is what the build-up wants.\u003c\/p\u003e\n\u003ch3\u003eFire and bushfire\u003c\/h3\u003e\n\u003cp\u003eGroup 2 to AS 5637.1, flammability index 5 or lower, ignitability, spread of flame and heat evolved all 0, smoke developed 1. Bushfire ratings are BAL Low to 40 in a roof and BAL Low to Flame Zone in a wall.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eThe 150 mm overlap flap means the next run laps onto a foam free strip, which removes most of the taping. The reflective face needs an air gap in front of it. It is electrically conductive, so keep it clear of wiring.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"Default Title","offer_id":45225011380406,"sku":"SQ2915522","price":393.96,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Sisalation-FoamCell-Multi-3-in-1-600px.webp?v=1782756335"},{"product_id":"sisalation-bubble-cell-100","title":"SISALATION® Bubble Cell 100","description":"\u003cp\u003eSisalation Bubble Cell 100 is a foil faced bubble core insulation from Fletcher, for roof and wall applications.\u003c\/p\u003e\n\u003ch3\u003eHow a bubble core product works\u003c\/h3\u003e\n\u003cp\u003eTwo mechanisms together. The foil faces reflect radiant heat, and the sealed air cells in the core slow conduction through the material. The reflective half only works against an air gap, so a bubble product laid tight against sheeting or lining gives up most of its benefit. The detailing decides the result more than the product choice does.\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 a declared R-value, emittance figures, duty classification or a BAL rating for a submission, \u003ca href=\"\/pages\/contact\"\u003eask us\u003c\/a\u003e and we will send the manufacturer's current data sheet rather than quote a figure from memory.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"Default Title","offer_id":45225011445942,"sku":"SQ2750592","price":275.02,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Sisalation-Bubble-Cell-600px.webp?v=1782756335"},{"product_id":"air-cell-permishield-xv-70","title":"AIR-CELL Permishield XV 70","description":"\u003cp\u003eAIR-CELL Permishield XV 70 is an Australian made closed cell foam wall insulation and sarking, and unusually for a foil product it is vapour permeable. CodeMark certified for NCC compliance.\u003c\/p\u003e\n\u003ch3\u003eReflective and breathable\u003c\/h3\u003e\n\u003cp\u003eMost foil faced products are vapour barriers. This one is Class 3 vapour permeable at 0.300 µg\/N·s, while still being a water barrier to AS\/NZS 4201.4. That combination is the reason to specify it: the wall gets a reflective surface and keeps the ability to dry outward, instead of trading one for the other.\u003c\/p\u003e\n\u003ch3\u003eSystem figures\u003c\/h3\u003e\n\u003cp\u003eMaterial R-value is R0.20. In a reverse brick veneer wall Kingspan quotes RT 1.9 for heat flowing in and RT 1.8 for heat flowing out. Reflectance is 97% on the reflective face and 88% on the anti-glare face.\u003c\/p\u003e\n\u003ch3\u003eRoll and handling\u003c\/h3\u003e\n\u003cp\u003e1350 mm x 22.25 m covering 30 m² at 7.2 mm, weighing 9.15 kg. Burst strength 0.9 kN, maximum span 2.4 m, flammability index 5 or lower. Fibre-free, non-allergenic, non-irritant, anti-bacterial and anti-fungal, and rodent and insect resistant.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"Default Title","offer_id":45225012396214,"sku":"SQ8569959","price":452.53,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/AIR-CELL-Permishield-XV-70-3-opt.jpg?v=1786565735"},{"product_id":"air-cell-insulwhite","title":"AIR-CELL Insulwhite","description":"\u003cp\u003eAIR-CELL Insulwhite is an Australian made closed cell foam blanket with a reflective foil face on one side and a white face on the other, made for exposed roof and attic linings. CodeMark certified for NCC compliance.\u003c\/p\u003e\n\u003ch3\u003eThe white face is why it exists\u003c\/h3\u003e\n\u003cp\u003eIn a space where the underside of the roof is visible, a bright foil finish looks unfinished and glares. The white face gives a clean surface that also lifts the light level, while the reflective face works upward against the air gap under the sheeting. Kingspan quotes 97% reflectance on the reflective face with an emittance of 0.03.\u003c\/p\u003e\n\u003ch3\u003eSystem figures\u003c\/h3\u003e\n\u003cp\u003eMaterial R-value is R0.15, which is the reflective product story again: the number that matters is what the system reaches. In a residential metal roof Kingspan quotes RT 1.9 for heat flowing in and RT 1.0 for heat flowing out.\u003c\/p\u003e\n\u003ch3\u003eBarrier performance\u003c\/h3\u003e\n\u003cp\u003eClass 2 vapour barrier and a water barrier to AS\/NZS 4201.4, with low surface water absorbency. Flammability index 5 or lower. Burst strength 1.0 kN and a maximum unsupported span of 2.4 m.\u003c\/p\u003e\n\u003ch3\u003eRoll\u003c\/h3\u003e\n\u003cp\u003e1350 mm x 22.25 m covering 30 m² at 5.5 mm thick, weighing 7.65 kg. Fibre-free, non-allergenic, non-irritant, and rodent and insect resistant.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"Default Title","offer_id":45225012461750,"sku":"SQ3622587","price":452.53,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/AIR-CELL-Insulwhite-3.webp?v=1782756340"},{"product_id":"insulshed-50","title":"Insulshed 50","description":"\u003cp\u003eInsulshed 50 is an Australian made closed cell foam blanket with reflective foil facings, made specifically for shed roofs and walls.\u003c\/p\u003e\n\u003ch3\u003eRead this before ordering\u003c\/h3\u003e\n\u003cp\u003eInsulshed is designed for Class 10a buildings only, which means sheds, garages and similar non-habitable structures. It is not for habitable buildings, and Kingspan makes a different AIR-CELL product for those. If the building is or will become living space, this is the wrong product regardless of price, so check the building class first.\u003c\/p\u003e\n\u003ch3\u003eWhat it does in a shed\u003c\/h3\u003e\n\u003cp\u003eA bare metal shed roof radiates heat straight down. The reflective face, quoted at 97% reflectance with an emittance of 0.03, is aimed exactly at that, and it needs an air gap in front of it to work. The foam core also takes the drumming out of rain on the sheeting.\u003c\/p\u003e\n\u003ch3\u003eRolls\u003c\/h3\u003e\n\u003cp\u003eBoth 1350 mm wide at 5 mm thick: 22.25 m covering 30 m² at 6.9 kg, and 33.33 m covering 45 m² at 10.4 kg.\u003c\/p\u003e\n\u003ch3\u003eHandling limits\u003c\/h3\u003e\n\u003cp\u003eHeat above 105 °C damages it, so keep sparks and flame from blow torches and welders away from it during the build. Flammability index 5 or lower. It is fibre-free, non-allergenic, non-irritant, anti-bacterial and anti-fungal, and it is re-usable if removed with care.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"1350x22.25m (30m2)","offer_id":45225012527286,"sku":"SQ1818396","price":356.39,"currency_code":"AUD","in_stock":true},{"title":"1350x33.33m (45m2)","offer_id":45225012494518,"sku":"SQ8180192","price":533.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/AIR-CELL-Insulshed-50-1.webp?v=1782756342"},{"product_id":"sisalation-foam-cell-resi-liner","title":"SISALATION® Foam Cell Resi liner","description":"\u003cp\u003eSisalation Foam Cell Resi Liner is a foil faced closed cell foam sarking for houses, sheds, garages and cavity walls. One roll size: 5 mm thick, 1350 mm wide with a 150 mm overlap flap, 22.25 m long, covering 30 m² and weighing 14 kg.\u003c\/p\u003e\n\u003ch3\u003eMaterial R-value against system R-value\u003c\/h3\u003e\n\u003cp\u003eThe material R-value is R0.11 to AS\/NZS 4859.1, which looks small until you see what it does inside a build-up. Fletcher quotes indicative system figures of R2.1 for a pitched metal roof with heat flowing in, R1.3 with heat flowing out, and R1.6 both ways in a brick veneer wall, based on a 22.5 degree pitch with a 40 mm unventilated air gap. Change the air gap or the build-up and the number changes with it, so ask us if you need a calculation for your actual system. \u003ca href=\"\/blogs\/blog\/r-value-australian-climate-zones\"\u003eR-value by climate zone\u003c\/a\u003e covers how the target figure gets set.\u003c\/p\u003e\n\u003ch3\u003eWhat else it does\u003c\/h3\u003e\n\u003cp\u003eIt is a Class 1 vapour barrier and a water barrier to AS\/NZS 4201.4, classified Extra Heavy duty. The reflective face has an emittance of 0.03 and reflects up to 95% of the sun's radiant heat. Fire is Group 2 with a Low flammability index, and bushfire ratings are BAL Low to 40 in a roof and BAL Low through to Flame Zone in a wall.\u003c\/p\u003e\n\u003ch3\u003eThe overlap flap saves taping\u003c\/h3\u003e\n\u003cp\u003eOne edge has a 150 mm foam free strip. Lap the next run onto that strip and most of the taping disappears, which also keeps exposed work looking tidy. Under a roof, the reflective face goes inwards with at least a 20 mm air gap. Install to AS\/NZS 4200.2 where it is doing the water and vapour barrier job, and keep the foil clear of wiring.\u003c\/p\u003e\n\u003cp\u003eFull figures are in the table below.\u003c\/p\u003e","brand":"Fletcher Insulation","offers":[{"title":"Default Title","offer_id":45225013805238,"sku":"SQ4255422","price":468.44,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/product-Foam-Cell-2.webp?v=1782756346"},{"product_id":"spi-insulation-reflective-foil-thermal-blanket","title":"SPi Insulation - Reflective Foil Thermal Blanket","description":"\u003cp\u003eSPi reflective foil thermal blanket is a foil faced insulation blanket for metal roofs, stocked here in 5 mm and 10 mm.\u003c\/p\u003e\n\u003ch3\u003eWhat a reflective blanket does\u003c\/h3\u003e\n\u003cp\u003eIt works mainly by reflection rather than by thickness. The foil face turns back radiant heat coming off the underside of the roof sheet, and it needs an air gap in front of it to do that, because a foil pressed flat against another surface conducts heat straight through instead of reflecting it. That makes the install detail as important as the product itself. \u003ca href=\"\/blogs\/blog\/blanket-vs-sarking-vs-batts\"\u003eBlanket, sarking or batts\u003c\/a\u003e sets out where a reflective layer belongs against bulk insulation, and \u003ca href=\"\/blogs\/blog\/metal-roof-insulation-australia\"\u003eMetal roof insulation in Australia\u003c\/a\u003e shows the layer order under a metal roof.\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, so if you need declared R-values, fire indices or a BAL rating for a submission, \u003ca href=\"\/pages\/contact\"\u003eask us\u003c\/a\u003e and we will send you the manufacturer's current data sheet rather than quote a figure from memory. If the job is a shed or garage, \u003ca href=\"\/blogs\/blog\/insulating-a-metal-shed-roof\"\u003ewhy metal sheds and garages get so hot\u003c\/a\u003e covers what actually makes a difference in that build-up.\u003c\/p\u003e","brand":"SPi","offers":[{"title":"5mm","offer_id":45343873302710,"sku":"SPI-INS-5MM","price":228.0,"currency_code":"AUD","in_stock":true},{"title":"10mm","offer_id":45343873335478,"sku":"SPI-INS-10MM","price":247.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/Insulation_Discount_Metal_Roofing-correct-ratio.jpg?v=1786182778"},{"product_id":"bradford-roof-safety-mesh","title":"Bradford Roof Safety Mesh","description":"\u003cp\u003eBradford roof safety mesh for commercial and industrial roofing, designed and manufactured to AS\/NZS 4389:2015.\u003c\/p\u003e\n\u003ch3\u003eRead the option names carefully\u003c\/h3\u003e\n\u003cp\u003eTwo different products sit in this range and they are not interchangeable. Roof Safe safety mesh is fall protection. Insulmesh is a support mesh only and must not be used as fall protection. If anyone will be working above it, the only correct order is Roof Safe. Getting this wrong is not a performance compromise, it is a safety failure, so check the option name on the order rather than the picture.\u003c\/p\u003e\n\u003ch3\u003eFall protection during and after the build\u003c\/h3\u003e\n\u003cp\u003eSafety mesh goes across the purlins and is fixed before the sheeting, so it is in place while the roof is still open and anyone is working above the ceiling. It stays there for the service life of the roof, which is what protects maintenance access years later.\u003c\/p\u003e\n\u003ch3\u003eFinishes\u003c\/h3\u003e\n\u003cp\u003eGalvanised or PVC coated. The PVC coated option is for corrosive environments where galvanising alone will not last, which is a real consideration near the coast or over process plant.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eRolls in 1800 mm and 2250 mm widths, in 30 m and 50 m lengths. Full options and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"Insulmesh support mesh, 1800 mm x 50 m","offer_id":45351477346486,"sku":"17384","price":338.2,"currency_code":"AUD","in_stock":true},{"title":"Roof Safe safety mesh, 1800 mm x 30 m","offer_id":45351477379254,"sku":"29070","price":218.5,"currency_code":"AUD","in_stock":true},{"title":"Roof Safe safety mesh, 1800 mm x 50 m","offer_id":45351477412022,"sku":"17387","price":323.0,"currency_code":"AUD","in_stock":true},{"title":"Roof Safe safety mesh, 2250 mm x 50 m","offer_id":45351477444790,"sku":"80676","price":437.95,"currency_code":"AUD","in_stock":true},{"title":"Roof Safe safety mesh, 2400 mm x 50 m","offer_id":45351477477558,"sku":"87262","price":468.35,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-roof-safety-mesh.jpg?v=1786540742"},{"product_id":"bradford-ashgrid-roof-spacer-system","title":"Bradford Ashgrid Roof Spacer System","description":"\u003cp\u003eBradford Ashgrid is a modular roof spacer system for commercial and industrial metal roofing, supplied in kits by bracket height.\u003c\/p\u003e\n\u003ch3\u003eWhat a spacer system is actually for\u003c\/h3\u003e\n\u003cp\u003eIt holds the roof sheet up off the purlin so the insulation blanket underneath keeps its full design thickness across the support. Insulation crushed at every purlin is where a large share of the heat crosses a commercial metal roof, and no increase in blanket thickness fixes a compression problem. The bracket height is chosen from the blanket, which is why the kits are listed by height.\u003c\/p\u003e\n\u003ch3\u003eCyclonic rated\u003c\/h3\u003e\n\u003cp\u003eAshgrid is rated for both non-cyclonic and cyclonic regions, which on a commercial roof in northern Australia narrows the field considerably.\u003c\/p\u003e\n\u003ch3\u003eBuilt for speed on a big roof\u003c\/h3\u003e\n\u003cp\u003eModules come with screws already fitted in the brackets, and Safe-Loc spigots align the runs and carry load continuously from module to module. On a large roof, straight stable runs and fewer loose fasteners is the difference between a system that goes down quickly and one that fights you.\u003c\/p\u003e\n\u003ch3\u003eOrdering\u003c\/h3\u003e\n\u003cp\u003eSold by the carton, in bracket heights from 60 mm up. Match the height to the blanket thickness rather than the roof pitch. All options and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"Cyclonic kit, 60 mm brackets","offer_id":45351494779062,"sku":"124869","price":295.45,"currency_code":"AUD","in_stock":true},{"title":"Cyclonic kit, 80 mm brackets","offer_id":45351494811830,"sku":"124868","price":309.7,"currency_code":"AUD","in_stock":true},{"title":"Cyclonic kit, 110 mm brackets","offer_id":45351494680758,"sku":"124867","price":348.65,"currency_code":"AUD","in_stock":true},{"title":"Cyclonic kit, 120 mm brackets","offer_id":45351494713526,"sku":"124866","price":362.9,"currency_code":"AUD","in_stock":true},{"title":"Cyclonic kit, 150 mm brackets","offer_id":45351494746294,"sku":"130330","price":335.35,"currency_code":"AUD","in_stock":true},{"title":"Non-Cyclonic kit, 60 mm brackets","offer_id":45351494942902,"sku":"124865","price":251.75,"currency_code":"AUD","in_stock":true},{"title":"Non-Cyclonic kit, 80 mm brackets","offer_id":45351494975670,"sku":"124864","price":276.45,"currency_code":"AUD","in_stock":true},{"title":"Non-Cyclonic kit, 110 mm brackets","offer_id":45351494844598,"sku":"124863","price":280.25,"currency_code":"AUD","in_stock":true},{"title":"Non-Cyclonic kit, 120 mm brackets","offer_id":45351494877366,"sku":"124862","price":290.7,"currency_code":"AUD","in_stock":true},{"title":"Non-Cyclonic kit, 150 mm brackets","offer_id":45351494910134,"sku":"130329","price":362.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/bradford-ashgrid-roof-spacer-system.jpg?v=1786541319"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/collections\/roofing-safety-mesh.webp?v=1786446102","url":"https:\/\/awbm.com.au\/collections\/roofing-safety-mesh.oembed","provider":"AWBM","version":"1.0","type":"link"}