{"product_id":"liquid-rubber-waterproof-sealant-2-5-gal-flexible-roof-foundation-membrane-black","title":"Liquid Rubber Waterproof Sealant – 2.5 Gal – Flexible Roof \u0026 Foundation Membrane (Black)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eLiquid Rubber Waterproof Sealant delivers a seamless, rubberized membrane designed to guard flat and low-slope roofs, foundations, gutters, and other moisture-prone surfaces. Built on an industrial-strength bitumen-inspired concept, this water-based coating creates a durable barrier where other sealants may falter, offering a robust option for both DIY projects and professional work. The signature black finish provides a consistent, low-profile look while performing under varying weather conditions.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtreme flexibility\u003c\/strong\u003e with over 950% elongation, allowing the coating to move with the building and temperature shifts without cracking or peeling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater-based, low-odor\u003c\/strong\u003e formula with no VOCs, suitable for indoor and outdoor use and safe for sensitive surroundings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrong adhesion\u003c\/strong\u003e to metal, concrete, wood, and more, enabling a versatile waterproofing layer across multiple substrates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional coverage options\u003c\/strong\u003e can be brushed, rolled, or sprayed; flat\/low-slope roofs: about 15 sq ft per gallon per coat, with 3–4 heavy coats achieving 60–80 mil; vertical surfaces: about 30 sq ft per gallon, 2–3 heavy coats for ~30 mil.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngineered system\u003c\/strong\u003e pairs with Liquid Rubber Seam Tape or Geo-Textile to bridge joints, seams, vents, and protrusions where movement occurs, for a comprehensive approach to leak prevention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUsed by pros and DIYers\u003c\/strong\u003e alike, with millions of gallons sold, delivering consistent results from roof repairs to basement waterproofing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium adhesion\u003c\/strong\u003e to metal, concrete, wood, and more; the coating can remain tacky after curing, so it is not intended for walking surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication guidelines and what to expect\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApply by brush, roller, or spray to create a uniform, flexible membrane that adheres to a variety of substrates.\u003c\/li\u003e\n  \u003cli\u003eIdeal for confined spaces thanks to its low odor and absence of harsh solvents.\u003c\/li\u003e\n  \u003cli\u003eWhen used as part of a system with seam tape or geo-textile, it helps bridge joints and seams where movement may occur.\u003c\/li\u003e\n  \u003cli\u003eColor is black, providing a durable, low-reflectivity surface that blends with many roof and foundation designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIn practice, this coating supports moisture protection for flat roofs, foundations, gutters, and other vulnerable areas. Results will depend on proper surface preparation, coat layering, and system compatibility. Consider it a flexible, long-term option to reduce water intrusion while maintaining a clean, professional look.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What surfaces can Liquid Rubber Waterproof Sealant be used on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It bonds to metal, concrete, wood, and more, forming a flexible waterproof membrane for roofs, foundations, and gutters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this product safe for indoor use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is water-based with no VOCs or strong odors, suitable for enclosed spaces when applied as directed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Liquid Rubber","offers":[{"title":"Default Title","offer_id":53092292821103,"sku":"B0F9Z2N9L2","price":165.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/liquid-rubber-bottle-2-5-gallon.jpg?v=1778745992","url":"https:\/\/taskholt.com\/products\/liquid-rubber-waterproof-sealant-2-5-gal-flexible-roof-foundation-membrane-black","provider":"TaskHolt","version":"1.0","type":"link"}