{"product_id":"air-cell-insulbreak-70","title":"Kingspan AIR-CELL Insulbreak 70 Thermal Break Insulation","description":"\u003cp\u003eKingspan AIR-CELL Insulbreak 70 is a 7.2 mm foil faced foam insulation, R0.20 at 23 °C, that Kingspan sell as insulation, thermal break and vapour barrier in one for steel-framed construction. One roll is 1350 mm x 22.25 m and covers 30 m².\u003c\/p\u003e\n\u003ch3\u003eWhy the 70\u003c\/h3\u003e\n\u003cp\u003eKingspan rate Insulbreak 70 and 90, not the 55, as meeting the R0.20 thermal break the NCC asks for in steel-framed buildings. For the 70, Kingspan declare RT 1.3 both ways in a steel-framed wall, and RT 1.9 heat in, RT 1.2 heat out on a battened metal roof with a raked ceiling. In NSW, clause J3D3 on thermal breaks does not apply. Our \u003ca href=\"\/blogs\/blog\/thermal-break-r02-explained\"\u003ethermal break article\u003c\/a\u003e explains the requirement.\u003c\/p\u003e\n\u003ch3\u003eVapour barrier, so check the wall\u003c\/h3\u003e\n\u003cp\u003eIt is a Class 2 vapour barrier, not suitable as a vapour permeable membrane in climate zones 4 to 8 under NCC 2022 F8D3(2). That takes in Melbourne and Sydney. On an external steel-framed wall there, have the designer check condensation risk, or use \u003ca href=\"\/products\/air-cell-permishield-xv-70\"\u003eAIR-CELL Permishield XV 70\u003c\/a\u003e, Kingspan's vapour permeable thermal break sarking.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eOn a wall, fix it loosely to the outside of the studs, tape butt joins with 48 mm reinforced foil tape, and add AIR-CELL Spacer Biscuits, about three per m², before the cladding. Each foil face needs an unventilated air space, so doubling up adds nothing. Keep it off bare cables, as the foil conducts, and away from welding sparks: heat above 105 °C can damage it. Full figures are in the table below.\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"1350 mm x 22.25 m (30 m²)","offer_id":67636070777014,"sku":"KSPN-Insulbreak 70","price":415.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/kingspan-aircell-insulbreak-roll-au-white.jpg?v=1791896467","url":"https:\/\/awbm.com.au\/products\/air-cell-insulbreak-70","provider":"AWBM","version":"1.0","type":"link"}