--- product_id: 480868403 title: "Waterproof Membrane 430 Sq Ft 20 mils Thick 3.3 x 131' Tile Underlayment Shower Membrane PE Fabric 0.5 mm for Shower Walls, Bathroom Floors, Sauna Room, Roof Large Area Waterproofing Orange" brand: "yzprism" price: "NT$15778" currency: TWD in_stock: true category: "Y Zprism" url: https://www.desertcart.tw/products/480868403-waterproof-membrane-430-sq-ft-20-mils-thick-3-3 store_origin: TW region: Taiwan --- # 430 sq ft coverage for large projects DIY-friendly free cutting flexibility 20 mils ultra-thick waterproof layer Waterproof Membrane 430 Sq Ft 20 mils Thick 3.3 x 131' Tile Underlayment Shower Membrane PE Fabric 0.5 mm for Shower Walls, Bathroom Floors, Sauna Room, Roof Large Area Waterproofing Orange **Brand:** yzprism **Price:** NT$15778 **Availability:** ✅ In Stock ## Summary > 🚿 Seal your space, stop the seep—waterproof like a pro! ## Quick Answers - **What is this?** Waterproof Membrane 430 Sq Ft 20 mils Thick 3.3 x 131' Tile Underlayment Shower Membrane PE Fabric 0.5 mm for Shower Walls, Bathroom Floors, Sauna Room, Roof Large Area Waterproofing Orange by yzprism - **How much does it cost?** NT$15778 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/480868403-waterproof-membrane-430-sq-ft-20-mils-thick-3-3) ## 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 - • **Durable & Flexible:** High wear and tear resistance with flexible material that adapts to corners and curves effortlessly. - • **Versatile Application:** Ideal for shower walls, floors, sauna rooms, kitchens, and even outdoor use with multiple floor types. - • **Cut-to-Fit Convenience:** Easily trim with scissors or knife for a custom fit—no professional tools needed. - • **Superior Waterproof Defense:** 20 mils thick high-density PE film blocks moisture and prevents mold growth. - • **Massive Coverage, Minimal Hassle:** Covers 430 sq ft, perfect for extensive bathroom, sauna, or roof waterproofing projects. ## Overview The YZprism Waterproof Membrane offers a robust 20 mil (0.51 mm) thick high-density polyethylene barrier covering 430 sq ft, designed to protect shower walls, bathroom floors, saunas, and more from moisture and mold. Its flexible, tear-resistant fabric is easy to cut and install, making it a top choice for professionals and DIYers aiming for long-lasting waterproofing in both residential and commercial spaces. ## Description YZprism Waterproof Membrane 430 Sq Ft 20 mils Thick 3.3 x 131' Tile Underlayment Shower Membrane PE Fabric 0.5 mm for Shower Walls, Bathroom Floors, Sauna Room, Roof Large Area Waterproofing Orange - desertcart.com ## Features - [High-density PE Film] - Product size: 3.3 x 131 feet; Thickness: 20 mils (0.51 mm); Total spread area: 430 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 | B0BC6BWPGT | | Best Sellers Rank | #163,914 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #49 in Flooring Underlayments | | Color | 3.3 x 131Ft-430 Sq Ft | | Coverage | 430 Sq Ft | | Customer Reviews | 4.5 4.5 out of 5 stars (239) | | Date First Available | August 28, 2022 | | Included Components | Waterproof Membrane 430 Sq Ft 20 mils Thick | | Item Weight | 23.2 pounds | | Item model number | 430 Sq Ft 20 mils | | Manufacturer | YZprism | | Part Number | 1x40M05FSBCS02 | | Product Dimensions | 10 x 8 x 5 inches | ## Images ![Waterproof Membrane 430 Sq Ft 20 mils Thick 3.3 x 131' Tile Underlayment Shower Membrane PE Fabric 0.5 mm for Shower Walls, Bathroom Floors, Sauna Room, Roof Large Area Waterproofing Orange - Image 1](https://m.media-amazon.com/images/I/61druukKngL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - YZprism Waterproof Membrane 430 Sq Ft 20 mils Thick 3.3 x 131' Tile Underlayment Shower Membrane PE Fabric 0.5 mm for Shower Walls, Bathroom Floors, Sauna Room, Roof Large Area Waterproofing Orange - 8 Pack Inside Waterproofing Corner Shower Membrane Corner Shower Waterproofing Polyethylene Seamless for Bathtub Steam Room Walls Windows - Tatuo 4 Pcs Outside Waterproofing Corner Shower Seamless Membrane Polyethylene Corner for Bathtub and Steam Room --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/480868403-waterproof-membrane-430-sq-ft-20-mils-thick-3-3](https://www.desertcart.tw/products/480868403-waterproof-membrane-430-sq-ft-20-mils-thick-3-3) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-08*