--- product_id: 368846871 title: "Waterproof Membrane Uncoupling Membrane for Under Tile Underlayment Membrane, Tile Flooring PE Fabric, Waterproof Membrane Shower Membrane for Bathroom Sauna (5inch x 100Ft-42 Sq Ft)" brand: "yzprism" price: "Β£30.99" currency: GBP in_stock: true reviews_count: 10 category: "Y Zprism" url: https://www.desertcart.co.uk/products/368846871-waterproof-membrane-uncoupling-membrane-for-under-tile-underlayment-membrane-tile store_origin: GB region: United Kingdom --- # 20 mils ultra waterproof 5in x 100ft flexible size tear & wear resistant PE Waterproof Membrane Uncoupling Membrane for Under Tile Underlayment Membrane, Tile Flooring PE Fabric, Waterproof Membrane Shower Membrane for Bathroom Sauna (5inch x 100Ft-42 Sq Ft) **Brand:** yzprism **Price:** Β£30.99 **Availability:** βœ… In Stock ## Summary > πŸ’§ Seal in Dryness, Seal Out Worries β€” Waterproof Like a Boss! ## Quick Answers - **What is this?** Waterproof Membrane Uncoupling Membrane for Under Tile Underlayment Membrane, Tile Flooring PE Fabric, Waterproof Membrane Shower Membrane for Bathroom Sauna (5inch x 100Ft-42 Sq Ft) by yzprism - **How much does it cost?** Β£30.99 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/368846871-waterproof-membrane-uncoupling-membrane-for-under-tile-underlayment-membrane-tile) ## Best For - yzprism enthusiasts ## Why This Product - Trusted yzprism brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Last:** High-density PE film resists tears, wear, and daily stress. - β€’ **Versatile Application:** Perfect for bathrooms, saunas, kitchens, indoors & outdoors. - β€’ **Custom Fit, Zero Waste:** Cut freely to your exact project specsβ€”DIY made effortless. - β€’ **Effortless Installation:** Flexible, foldable membrane adapts to any surface or corner. - β€’ **Unmatched Waterproof Defense:** 20 mil (0.51 mm) thickness blocks moisture like a pro. ## Overview This premium 5-inch by 100-foot waterproof membrane features a robust 20 mil (0.51 mm) thick high-density polyethylene film designed to prevent water and moisture penetration under tile flooring and walls. Engineered for superior tear resistance and flexibility, it’s ideal for bathrooms, showers, saunas, kitchens, and more, ensuring long-lasting protection against dampness and mold. Easy to cut and install, it fits any space while delivering professional-grade waterproofing at a competitive price. ## Description Product description YZprism Waterproofing Waterproof Membrane for Shower waterproofing Uncoupling Membrane Tile membrane Underlayment Membrane waterproof Important Parameters Colour:Orang Product material:Polyethylene waterproof membrane Product size:5 inch x 100 Ft Product thickness:20 miles / 0.51 mm Coverage area:41.67 square feet Package List 1 x Waterproof membrane This high-quality waterproof membrane is suitable for indoor floors or interior walls to prevent water and steam from penetrating into the walls or floors. This waterproof membrane is made of polyethylene material, which is easy to bend and fold. The thickness of 20 miles makes the waterproof membrane extremely flexible. In addition, the product can also be used in bathrooms, showers, saunas, gyms, commercial kitchens, hotels, terraces and balconies. Highly moisture resistant Tear resistant Wear-resistant Flexible cutting Highly waterproof and moisture-proof High-quality polyethylene PE material with high flexibility and tear resistance.Each side is coated with non-woven, anti-corrosion and waterproof polyethylene fiber, 0.51 mm thickness and can effectively prevent water vapor from penetrating into the floor or wall. Easy to cut The size of the waterproof membrane can be freely cut according to actual needs. Widely used This premium waterproof membrane can be used in conjunction with concrete, cement, gypsum, ceramic tiles and gypsum substrates, aerated concrete, terracotta bricks, wooden supports, etc. Review: Better than. Then the name brand - Works great a lot better than the shooter. Stuff Materials fairly thick and seems to hold up nicely. Review: Same product as overpriced competitors for a lot less - Same quality as top competitors without all the worthless line markings you pay more for. Well worth the money saving. Definitely recommend ## Features - [ High-density PE Film ] Product size: 5inch x 100Ft; Thickness: 20 mils (0.51 mm); Total spread area: 41.67 square feet. Our products are made of high-density polyethylene materials,it has stronger waterproof and anti-seepage capabilities,High-quality materials ensure that our products have extremely high wear resistance, tear resistance and flexibility. - [ Highly Waterproof and Moistureproof ] This waterproof tile mulch with a thickness of up to 20 mils (0.51 mm) can effectively prevent water or moisture from penetrating into wooden floors, ceramic tiles, cement or ceramic floors, and prevent tiles or floors from cracking, greatly avoiding The room is damp and mold is produced. Our products are thicker than most 8 mils products on the market. We are committed to providing customers with quality products and creating a good living environment. - [ Free Cutting DIY ] You can freely cut the length and width of the product according to your needs and laying area. Although our tile film is 20 mils, you can cut it with scissors or a knife effortlessly. - [ Storage and Installation ] This kind of moisture-proof and moisturizing mulch is highly flexible, and it can be easily folded to fit various spaces. You can install this shower film under the bathroom floor or wall to ensure that your bathroom, shower floor, corners and walls can keep dry for many years. - [ Application Range ] This kind of moisture-proof and moisturizing mulch is widely used in kitchen walls, kitchen floors, shower room walls, shower room floors, bathroom walls, bathroom floors, sauna room walls, sauna room floors, etc. It can be used with marble floors, cement floors, ceramic tiles, ceramics and stone wall tiles. It is suitable for most homes and commercial places, and can be installed and used indoors and outdoors. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09B7SCJMM | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #132,953 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #41 in Flooring Underlayments | | Color | 5inch x 100Ft-42 Sq Ft | | Customer Reviews | 4.6 4.6 out of 5 stars (233) | | Date First Available | July 26, 2021 | | Item Package Quantity | 1 | | Item Weight | 2.29 pounds | | Manufacturer | YZprism | | Product Dimensions | 6.8 x 6.8 x 5.4 inches | | Size | 5inch x 100Ft-42 Sq Ft | ## Images ![Waterproof Membrane Uncoupling Membrane for Under Tile Underlayment Membrane, Tile Flooring PE Fabric, Waterproof Membrane Shower Membrane for Bathroom Sauna (5inch x 100Ft-42 Sq Ft) - Image 1](https://m.media-amazon.com/images/I/81qSiN4SjYL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Better than. Then the name brand *by R***N on September 23, 2025* Works great a lot better than the shooter. Stuff Materials fairly thick and seems to hold up nicely. ### ⭐⭐⭐⭐⭐ Same product as overpriced competitors for a lot less *by D***7 on January 11, 2026* Same quality as top competitors without all the worthless line markings you pay more for. Well worth the money saving. Definitely recommend ### ⭐⭐⭐⭐⭐ Did it's job well *by A***R on December 6, 2025* Price was good, did it's job well, easy to use ## Frequently Bought Together - YZprism Waterproof Membrane Uncoupling Membrane for Under Tile Underlayment Membrane, Tile Flooring PE Fabric, Waterproof Membrane Shower Membrane for Bathroom Sauna (5inch x 100Ft-42 Sq Ft) - 4 Pack Inside Waterproofing Corner Shower Seamless Membrane Corner Polyethylene Corner for Bathtub and Steam Room - 6 Pcs Waterproofing Seal Kit, 4 Inside Waterproofing Membrane and 2 Pcs Outside Corner Polyethylene Shower Corner Seamless Membrane for Bathroom Bathtub Walls and Surrounds --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/368846871-waterproof-membrane-uncoupling-membrane-for-under-tile-underlayment-membrane-tile](https://www.desertcart.co.uk/products/368846871-waterproof-membrane-uncoupling-membrane-for-under-tile-underlayment-membrane-tile) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-27*