{"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","url":"https:\/\/awbm.com.au\/products\/sisalation-foam-cell-resi-liner","provider":"AWBM","version":"1.0","type":"link"}