{"product_id":"riw-gr-sheetseal","title":"RIW GR Sheetseal","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eRIW Sheetseal GR is a cold-applied sheet membrane combining a high density polyethylene film bonded to aluminium foil with a bitumen\/rubber self-adhesive layer and a removable reinforced silicone release paper. This multi-layer construction delivers both a robust waterproof membrane and a tested barrier against methane and carbon dioxide gas — making it the product of choice where ground gas is a concern alongside water ingress.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe product has been independently tested by Wimpey Laboratories for methane gas resistance, with results documented in the product data sheet. When correctly applied, Sheetseal GR provides Type A (barrier) protection capable of meeting the requirements for Grade 1, 2 and 3 basements as classified in BS8102:2009.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eFactory controlled thickness ensures consistent performance\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSelvedge strip to improve lap sealing\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eElastic and flexible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWater and water vapour barrier\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eMethane and carbon dioxide barrier\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSelf healing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSubject to normal conditions of use Sheetseal GR will provide an effective barrier to methane gas, water and water vapour for the life of the structure\u003c\/li\u003e\n\u003cli\u003eNo drying time\u003c\/li\u003e\n\u003cli\u003eSulphate resistant\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RIW","offers":[{"title":"Default Title","offer_id":57127693451596,"sku":"BM05733","price":497.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1046\/6715\/2716\/files\/riw-riw-gr-sheetseal-1232467508.jpg?v=1776259230","url":"https:\/\/www.constructionsuppliesuk.co.uk\/products\/riw-gr-sheetseal","provider":"Construction Supplies UK","version":"1.0","type":"link"}