GURU® WATER-STOP Waterproofing Membrane is a bonded sheet waterproofing membrane designed for shower waterproofing, tile waterproofing, and crack isolation in tiled wall and floor assemblies. It meets and exceeds ANSI A118.10 (IAPMO File 9205) and ANSI A118.12 (IAPMO File 9990) requirements and is accepted by IAPMO.
Constructed as a highly flexible, low-perm, multi-layer steam barrier, this tile waterproofing membrane is 20 mil thick and installed beneath ceramic and natural stone tile coverings. It provides long-term moisture protection and in-plane crack isolation in interior and exterior installations for new construction and renovation projects.
Key Features
- Waterproofing and Crack Isolation: Functions as a waterproofing membrane, shower waterproofing membrane, and standard crack isolation layer for tile installations.
- ANSI-Compliant Performance: Meets and exceeds ANSI A118.10 and ANSI A118.12 standards.
- Low Perm Rating: Suitable for use in steam shower applications.
- Multi-Layer Sheet Construction: Designed for flexibility and bonded installation under tile.
- Interior and Exterior Use: Approved for wall and floor applications.
Applications
- Shower walls
- Tub surrounds
- Bathrooms
- Steam showers
- Commercial kitchens
- Residential kitchens
Available Sizes
| Part Number | 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 provides bonded waterproofing, crack isolation, and low-perm vapor control as a professional-grade shower waterproofing membrane and tile waterproofing membrane for residential and commercial tile installations.
