GURU Precut Water-Stop Membrane is a professional-grade waterproofing sheet designed for tiled shower systems and other moisture-prone installations. Engineered with multi-layer, low-perm technology, it forms a dependable moisture barrier that supports long-term waterproofing performance on walls, floors, and specialty areas.
Key Features
- Advanced Waterproofing Performance: Multi-layer membrane structure provides strong moisture protection.
- Standards-Compliant: Meets ANSI A118.10 and ANSI A118.12 requirements with IAPMO approval.
- Versatile Application: Suitable for shower walls, tub surrounds, steam rooms, kitchens, and balconies.
- Crack Isolation: Helps protect tile finishes from substrate movement and shrinkage cracks.
- Installer-Friendly: Compatible with modified thin-set mortars used in thin-bed and thick-bed tile installations.
- 20-Mil Thickness: Flexible sheet construction designed for consistent waterproofing performance.
Specifications
| Specification | Details |
|---|---|
| Material Type | Multi-layer steam barrier waterproof membrane |
| Standards | ANSI A118.10, ANSI A118.12, IAPMO approved |
| Suitable Applications | Showers, tub surrounds, steam showers, kitchens, backsplashes, balconies |
| Installation Method | Bond with modified thin-set mortar |
Available Sizes
| Part No. | Size | Thickness | Coverage |
|---|---|---|---|
| IFU5502 | 4’ x 6’ 7” | 20 Mil | 26 Sq. Ft. |
| IFU5501 | 5’ x 6’ 7” 10” | 20 Mil | 32 Sq. Ft. |
| IFU5503 | 6’ 7” x 6’ 7” | 20 Mil | 43 Sq. Ft. |
GURU Precut Water-Stop Membrane provides consistent waterproofing performance for tiled surfaces, supporting long-term system reliability across a wide range of installation types.