{"product_id":"gtd-supply-shower-waterproofing-membrane-323-sq-ft-roll-20-mil-thick-wall-and-flooring-underlayment","title":"GTD Supply Shower Waterproofing Membrane, 323 Sq Ft Roll for Ceramic Tile And Stone Tile, 20 Mil Thick Wall And Flooring Underlayment","description":"\u003cp\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHigh Polymer Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20 mil thick high polymer polyethylene polypropylene mat engineered for durability and long-term waterproofing reliability in wet-area installations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDual Fabric Layers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nonwoven polypropylene fabric on both sides ensures superior thin-set mortar bonding strength for secure tile adhesion and strong mechanical bonding in wet areas.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWaterproof Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Creates a continuous waterproof barrier that prevents water infiltration and protects substrates from moisture damage throughout shower walls and floors.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eVapor Control Efficiency:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Low permeability rating helps block vapor transmission, making it ideal for steam rooms and high humidity areas requiring dependable vapor protection.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWide Coverage Roll:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Available in large rolls up to 323 sq ft and 1 m width, reducing seams and improving installation efficiency across larger shower waterproofing projects.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for showers, bathrooms, kitchens, balconies, and commercial spaces like restaurants and shopping centers in renovation and new-build projects.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTile Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for ceramic, porcelain, marble, travertine, limestone, glass, agglomerates, and natural stone finishes for flexible bathroom and shower designs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSecure Bonding Layer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Functions as an uncoupling membrane, bonding substrate and tile layer while reducing stress from movement to help minimize cracking in tile installations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eEasy Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Installs with standard thin-set mortar adhesive, ideal for professionals and DIY renovation projects alike for efficient waterproof membrane installation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eEco-Friendly Build:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Environmentally friendly high-quality material designed for safe and sustainable modern construction use in residential and commercial wet areas and tile projects.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe GTD Supply shower waterproofing membrane is a high polymer polyethylene polypropylene tile underlayment designed to deliver exceptional waterproofing and vapor control for modern construction and renovation projects. At 20 mil thick and 1 m wide, this premium membrane provides a reliable and durable barrier against water infiltration, helping to protect substrates and extend the lifespan of tile installations in moisture-prone environments.\u003c\/p\u003e\n\u003cp\u003eBuilt with nonwoven polypropylene fabric bonded to both sides, this membrane ensures superior adhesion with thin-set mortar, creating a strong mechanical bond between the substrate and the finished tile surface. Acting as an effective uncoupling layer, it binds the substrate below and tile layer above while helping to absorb movement and reduce the risk of cracks, making it ideal for both new builds and renovation applications.\u003c\/p\u003e\n\u003cp\u003eEngineered for high-performance waterproofing, this membrane features a low permeability rating that provides excellent vapor protection in showers, steam rooms, and other high humidity areas. It prevents water vapor from spreading into adjacent rooms while protecting walls and floors from long-term moisture damage. Its versatility makes it suitable for residential living spaces as well as commercial environments such as restaurants, galleries, and shopping centers.\u003c\/p\u003e\n\u003cp\u003eInstallation is simple and efficient using standard thin-set mortar adhesive. Once the membrane is properly installed and cured, it creates a seamless waterproof surface ready for tile application. It supports a wide variety of finishes including ceramic, porcelain, travertine, limestone, marble, agglomerates, glass tiles, and natural stone, allowing for complete design flexibility.\u003c\/p\u003e\n\u003cp\u003eWhether used in showers, bathrooms, kitchens, balconies, bathtub surrounds, or steam rooms, the GTD Supply waterproofing membrane delivers a dependable and long-lasting solution. Its combination of high polymer strength, waterproofing performance, and ease of installation makes it a trusted choice for contractors and homeowners seeking professional-grade results and superior protection against water damage.\u003c\/p\u003e","brand":"GTDsupply","offers":[{"title":"Default Title","offer_id":45485311885529,"sku":"LADA6","price":390.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/4676\/8089\/files\/gtd3.1.png?v=1753977636","url":"https:\/\/gtdsupply.com\/products\/gtd-supply-shower-waterproofing-membrane-323-sq-ft-roll-20-mil-thick-wall-and-flooring-underlayment","provider":"Global Trade \u0026 Distribution Inc.","version":"1.0","type":"link"}