GURU Water-Stop Waterproofing Membrane is a sheet membrane engineered to protect tiled wet areas from moisture infiltration. Designed for showers, steam rooms, and other high-moisture spaces, it provides reliable waterproofing and crack isolation across a wide range of substrates.
Key Features
- Certified Performance: Meets ANSI A118.10 and ANSI A118.12 standards and is IAPMO accepted.
- Flexible Multilayer Construction: 20 mil thickness supports substrate movement and effective moisture protection.
- Versatile Use: Suitable for interior and exterior floors and walls, including showers, steam rooms, kitchens, and balconies.
- Thin-Set Compatible: Bonds with modified thin-set mortars for secure installation beneath tile and stone.
- Moisture Barrier: Helps prevent leaks, mold development, and water-related damage.
- Steam-Rated: Low perm rating supports use in steam shower applications.
Specifications
| Specification | Details |
|---|---|
| Thickness | 20 mil |
| Certifications | ANSI A118.10, ANSI A118.12, IAPMO |
| Compatible Substrates | Concrete, masonry, mortar beds, gypsum wallboard, exterior plywood, cement board, ceramic tile & stone, fiber-cement, terrazzo |
| Application Areas | Shower walls, tub surrounds, steam rooms, kitchens, balconies, pool areas |
GURU W-S Membrane Sizes
| Part No. | Size | Thickness |
|---|---|---|
| IFU5100 | 3’ 3” x 16’ 5” (54 Sq. Ft.) | 20 Mil |
| IFU5113 | 3’ 3” x 32’ 10” (108 Sq. Ft.) | 20 Mil |
| IFU5200 | 3’ 3” x 98’ 5” (323 Sq. Ft.) | 20 Mil |
GURU Water-Stop Waterproofing Membrane supports consistent moisture protection and substrate stability for tiled wet-areas.
