{"product_id":"proofex-torchseal-3pi","title":"Fosroc Proofex Torchseal 3PI — 3mm Polyester-Reinforced APP Bituminous Waterproofing Membrane (1 roll)","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eFosroc Proofex Torchseal 3PI\u003c\/strong\u003e is a 3mm thick, polyester internally reinforced, APP (Atactic Polypropylene) modified \u003cstrong\u003ebituminous waterproofing membrane\u003c\/strong\u003e from Fosroc Chemicals India Pvt. Ltd. — torch-applied to form a seamless, fully bonded \u003cstrong\u003ebitumen waterproofing\u003c\/strong\u003e barrier on roofs, terraces, basements, and structural concrete surfaces.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe internal polyester reinforcement (PI) is what distinguishes Torchseal 3PI from standard APP bitumen sheets. The polyester scrim core significantly improves the membrane's dimensional stability, tensile strength, and resistance to tearing during and after installation — reducing the risk of membrane damage during torch application, concrete backfilling, and long-term structural movement. For \u003cstrong\u003ewaterproofing contractors\u003c\/strong\u003e managing quality-sensitive projects, that reinforced construction delivers a more consistent, dependable installation outcome.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAs an APP modified system, Torchseal 3PI flexes with thermal expansion and contraction cycles — a critical property for \u003cstrong\u003eroof waterproofing\u003c\/strong\u003e and \u003cstrong\u003eterrace waterproofing\u003c\/strong\u003e surfaces in India that face extreme summer heat and heavy monsoon rainfall season after season. The APP modification also improves UV stability and oxidation resistance compared to SBS-modified or unmodified bitumen membranes, giving the system a longer effective service life in exposed conditions.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eTorch-applied over a compatible bitumen primer for maximum substrate adhesion, Proofex Torchseal 3PI delivers a proven, high-performance \u003cstrong\u003ebituminous waterproofing\u003c\/strong\u003e solution for \u003cstrong\u003eroof waterproofing\u003c\/strong\u003e, \u003cstrong\u003eterrace waterproofing\u003c\/strong\u003e, \u003cstrong\u003ebasement waterproofing\u003c\/strong\u003e, and structural protection — backed by Fosroc's trusted \u003cstrong\u003econstruction chemical\u003c\/strong\u003e quality standards.\u003c\/p\u003e","brand":"Fosroc Chemicals India Pvt. Ltd","offers":[{"title":"Default Title","offer_id":43063401807931,"sku":null,"price":12313.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/8427\/0395\/files\/ChatGPTImageMay25_2026_10_06_13AM.png?v=1779683877","url":"https:\/\/adtindustries.com\/products\/proofex-torchseal-3pi","provider":"ADT INDUSTRIES PRIVATE LIMITED - WATERPROOFING SOLUTIONS IN INDIA","version":"1.0","type":"link"}