{"product_id":"usg-durock-brand-liquid-waterproofing-membrane-1-gallon-crack-isolation-shower-waterproofing","title":"USG DUROCK Brand Liquid Waterproofing Membrane – 1 Gallon | Crack Isolation \u0026 Shower Waterproofing","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eUSG Interiors presents the Durock Brand Liquid Waterproofing and Crack Isolation Membrane, a versatile acrylic polymer-based solution designed for showers, steam rooms, and other wet areas in both residential and commercial settings. This one-component membrane functions as a water barrier and crack isolation layer in one easy-to-use system, helping protect substrates from movement and moisture over time.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cp\u003eThe membrane delivers flexibility to accommodate minor substrate movement, a low permeance rating for a durable moisture barrier, and direct bonding to common drains. Its user-friendly format supports multiple installation methods, enabling contractors and DIY enthusiasts to tailor the approach to the project.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvailable in 1-gallon and 3.5-gallon pails for scale and project needs.\u003c\/li\u003e\n  \u003cli\u003eAnti-fracture protection up to 1\/8 in. (3 mm) over shrinkage and non-structural cracks.\u003c\/li\u003e\n  \u003cli\u003eCan be rolled, brushed, troweled, or sprayed for adaptable installation.\u003c\/li\u003e\n  \u003cli\u003eFast drying time supports quick turnaround on job sites.\u003c\/li\u003e\n  \u003cli\u003eLow permeance rating of 0.38 perms at 20 mils dry thickness per ASTM E96 Procedure E.\u003c\/li\u003e\n  \u003cli\u003eSuitable for waterproofing floors, walls, and countertops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSubstrates and compatibility\u003c\/h3\u003e\n\u003cp\u003eSuitable for concrete, masonry, cement backerboard, gypsum-fiber panels, and gypsum-based cement toppings. It bonds directly to drains made of stainless steel, PVC, and ABS, helping simplify transitions around plumbing fixtures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne coat on vertical substrates with smooth surfaces (e.g., Fiberock Brand Tile Backerboard).\u003c\/li\u003e\n  \u003cli\u003eTwo coats on rough substrates (e.g., Durock Brand Cement Board) and for all horizontal applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical uses\u003c\/h3\u003e\n\u003cp\u003eIdeal for showers, wet rooms, and steam spaces where a dependable, flexible membrane can streamline installation and maintenance. Suitable for waterproofing floors, walls, and countertops, offering a single-pass solution for multiple zones in a tile installation.\u003c\/p\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eIn steam environments, the membrane may function without a separate vapor retarder when installed per guidelines and local codes. Always verify requirements for your project to ensure compliant performance.\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 substrates can USG Durock Liquid Waterproofing bond to?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for concrete, masonry, cement backerboard, gypsum-fiber panels, and gypsum-based toppings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this membrane be used in steam rooms without an additional vapor retarder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it can be used in steam rooms without extra vapor retarder, subject to local codes and proper installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"USG Interiors","offers":[{"title":"Default Title","offer_id":47516245819566,"sku":"B076YF45P3","price":152.02,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/usg-interiors-durock-liquid-waterproofing-bottle.jpg?v=1771276843","url":"https:\/\/handyskook.ca\/products\/usg-durock-brand-liquid-waterproofing-membrane-1-gallon-crack-isolation-shower-waterproofing","provider":"HandySkook","version":"1.0","type":"link"}