Kauwm Professional Waterproof Membrane for Shower – 108 Sq Ft, 23.6 Mil Thick, 3.3-ft x 33-ft Roll

Kauwm Professional Waterproof Membrane for Shower

This high-density polyethylene (PE) waterproof membrane arrives as a 3.3-ft by 33-ft roll, delivering 108 sq ft of coverage. At 23.6 mil thick, it offers robust moisture resistance for busy wet spaces such as showers, bathrooms, kitchens, saunas, and other damp zones.

Installation is designed to be straightforward. You can freely cut the sheet to your length and width, fold it to fit corners, and use the fleece on both sides to anchor the membrane with unmodified thin-set mortar, helping you achieve a tight, secure fit.

Where to use

• Shower walls and floors
• Bathroom walls and floors
• Kitchen walls and floors
• Sauna room walls and floors
• Indoor and outdoor wet areas

The membrane is compatible with marble, cement, ceramic tiles, and stone, making it suitable for a range of surfaces and layouts.

Why this matters

• High-density PE construction provides durable moisture control
• Thick 23.6 mil core enhances long-term resilience
• Fleece backing on both sides helps anchor with unmodified thin-set mortar
• Single-roll coverage reduces seams and waste (108 sq ft)
• Designed to outperform standard fiberglass options in durability and aging resistance

With Kauwm, you gain a dependable moisture management option for bathrooms, kitchens, saunas, and other damp environments. This membrane supports flexible layouts and real-world installations without pressuring timelines or expectations.