{"product_id":"liquid-rubber-basement-and-foundation-repair-sealant-flexible","title":"Liquid Rubber Basement and Foundation Repair Sealant - Flexible","description":"\u003cp\u003eIn this review the Liquid Rubber basement and foundation repair sealant proves aimed at DIYers and contractors who need a durable, flexible waterproof membrane for basements, foundations, planters and shower liners. The single biggest reason to buy is its professional-grade rubber formula that stretches up to 900% and creates a permanent, water-based membrane without mixing, making it an effective choice for sealing active leaks and long-term moisture control.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior flexibility:\u003c\/strong\u003e The sealer offers up to 900% elongation so it moves with surfaces and helps prevent future cracks under thermal or structural movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermanent waterproof membrane:\u003c\/strong\u003e Designed to form a durable layer over concrete and masonry that protects against active leaks and long-term moisture intrusion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide substrate adhesion:\u003c\/strong\u003e Bonds to concrete, masonry, wood and metal so it can be used on foundations, basement walls, planter boxes and shower liners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater-based and low odor:\u003c\/strong\u003e The zero VOC formula is safe for indoor use and requires no solvent mixing, simplifying interior basement application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple application methods:\u003c\/strong\u003e Can be applied by brush, roller or professional sprayer and pairs with geo-textile for joints and transitions for a watertight system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh coverage:\u003c\/strong\u003e Interior coverage is about 50 sq ft per gallon per coat and exterior about 20 sq ft per gallon per coat, allowing high-build layers for protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product suits homeowners tackling basement leaks, contractors repairing foundation leaks, and DIYers installing waterproof liners or planter boxes who need a flexible, adhesive coating. It is especially useful where movement is expected because the rubber technology maintains flexibility in varying temperatures.\u003c\/p\u003e\n\u003cp\u003eThose who need a trafficable or quick-walk surface should look elsewhere, since the cured membrane can be tacky and is not suitable for walking surfaces. For very small cosmetic cracks a separate filler or sealant may be a better, lower-cost option.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCreates a long-lasting waterproof membrane that handles active leaks when applied correctly.\u003c\/li\u003e\n\u003cli\u003eExcellent adhesion to a wide range of substrates for versatile repairs around the home.\u003c\/li\u003e\n\u003cli\u003eWater-based, zero VOC formula suitable for interior work with minimal odor and no mixing required.\u003c\/li\u003e\n\u003cli\u003eHigh elongation reduces the chance of re-cracking where movement occurs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDry time varies by conditions; some users report it dries slowly while others see faster drying, so plan coats and curing time accordingly.\u003c\/li\u003e\n\u003cli\u003eNot suitable for walking surfaces due to tackiness when cured, so additional topping is required where foot traffic occurs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eWaterproof concrete sealer and crack filler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e5 gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation\u003c\/td\u003e\n\u003ctd\u003eUp to 900%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage (interior)\u003c\/td\u003e\n\u003ctd\u003eAbout 50 sq ft per gallon (per coat)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage (exterior)\u003c\/td\u003e\n\u003ctd\u003eAbout 20 sq ft per gallon (per coat)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication methods\u003c\/td\u003e\n\u003ctd\u003eBrush, roller, professional sprayer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC\u003c\/td\u003e\n\u003ctd\u003eZero VOC, water-based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Liquid Rubber basement and foundation sealant is a solid value for anyone needing a flexible, durable waterproof membrane that can handle active leaks and substrate movement. It stands out for adhesion and elongation, and is well suited to interior basement repairs when paired with geo-textile at transitions; avoid if you need a walkable finish without additional topping.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this product be used indoors?\u003c\/strong\u003e\u003cbr\u003eYes. It is water-based with zero VOCs and designed for indoor basement use when applied between 50F and 90F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for active leaks?\u003c\/strong\u003e\u003cbr\u003eYes. The membrane is formulated to seal against active leaks and moisture when applied correctly and reinforced at joints with geo-textile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan you walk on the cured surface?\u003c\/strong\u003e\u003cbr\u003eNo. The cured membrane can remain tacky and is not recommended for walking surfaces without a separate topping or protective layer.\u003c\/p\u003e","brand":"Liquid Rubber","offers":[{"title":"Default Title","offer_id":48669223092443,"sku":"B071X7TYYM","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61FXgbdqhnL._SL1500.jpg?v=1778646111","url":"https:\/\/gearmusthave.com\/products\/liquid-rubber-basement-and-foundation-repair-sealant-flexible","provider":"GearMustHave","version":"1.0","type":"link"}