{"product_id":"90mm-celotex-thermaclass-cavity-wall-21-1190mm-x-450mm","title":"90mm Celotex Thermaclass Cavity Wall 21 - 1190mm x 450mm","description":"\u003cp class=\"u-ms2\"\u003e\u003cspan\u003eCelotex Thermaclass Cavity Wall 21 is a user-friendly polyisocyanurate (PIR) insulation board designed for full fill and partial fill cavity wall applications, boasting outstanding thermal performance with a thermal conductivity of 0.021 W\/m.K. Enhanced with a low emissivity foil facing, it offers flexibility in installation, allowing for up to a 10mm residual cavity to accommodate mortar squeeze or for a full fill solution with no residual cavity. Its ease of installation and high thermal efficiency make it an excellent choice for cavity wall insulation projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eKey benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGood thermal performance: λ = 0.021 W\/mK\u003c\/li\u003e\n\u003cli\u003eLightweight 1190 x 450mm boards (installed dimensions) \u003c\/li\u003e\n\u003cli\u003eTongue and groove edge profile \u003c\/li\u003e\n\u003cli\u003eLow emissivity foil facing \u003c\/li\u003e\n\u003cli\u003eBBA approved – certificate 16\/5343 (Full Fill Cavity Walls)\u003c\/li\u003e\n\u003cli\u003eEasy to Install\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003cbr\u003eLambda (λ) - 0.021 W\/mK\u003cbr\u003eSize(s) - 1190x450 mm\u003cbr\u003eFire performance - Euroclass F\u003cbr\u003eEdge finishing - \u003cspan\u003eTongue and groove\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e","brand":"Celotex","offers":[{"title":"Single Pack - 6 Boards (3.21m2)","offer_id":59434329964878,"sku":"TC1090","price":126.99,"currency_code":"GBP","in_stock":true},{"title":"Pallet of 11 Packs - 66 Boards (35.31m2)","offer_id":59434329997646,"sku":"TC1090-11","price":1369.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/0034\/3886\/files\/Celotex_Thermaclass_21_Image.webp?v=1776165858","url":"https:\/\/www.shirebs.co.uk\/products\/90mm-celotex-thermaclass-cavity-wall-21-1190mm-x-450mm","provider":"Shire Building Supplies","version":"1.0","type":"link"}