GURU® Precut Water-Stop Waterproofing Membrane is a tile waterproofing membrane designed for tiled shower systems and other moisture-prone installations. Constructed with a multi-layer, low-perm membrane structure, it provides a continuous moisture barrier for shower walls, floors, and specialty tiled areas.
The membrane is manufactured in a precut format to support consistent coverage and straightforward installation while maintaining vapor control and crack isolation performance.
Key Features
- Multi-Layer Waterproofing Membrane: Low-permeability tile waterproofing membrane designed to control moisture and vapor transmission in showers and wet areas.
- Standards Compliant: Meets ANSI A118.10 and ANSI A118.12 requirements with IAPMO approval.
- Crack Isolation Properties: Helps accommodate minor substrate movement and shrinkage cracks beneath tile finishes.
- Modified Thin-Set Compatibility: Designed for bonding with modified thin-set mortars in thin-bed and thick-bed installations.
- 20-Mil Sheet Thickness: Flexible membrane construction intended to support consistent waterproofing performance.
Specifications
| Specification | Details |
|---|---|
| Material Type | Multi-layer steam barrier waterproof membrane |
| Standards | ANSI A118.10, ANSI A118.12, IAPMO approved |
| Installation Method | Bond with modified thin-set mortar |
| Thickness | 20 mil |
Available Sizes
| Part Number | Size | Thickness | Coverage |
|---|---|---|---|
| IFU5502 | 4 ft × 6 ft 7 in | 20 mil | 26 sq. ft. |
| IFU5501 | 5 ft × 6 ft 7 in 10 in | 20 mil | 32 sq. ft. |
| IFU5503 | 6 ft 7 in × 6 ft 7 in | 20 mil | 43 sq. ft. |
GURU® Precut Water-Stop Waterproofing Membrane supports consistent moisture protection and vapor control for shower waterproofing membrane and tile waterproofing membrane applications in residential and commercial installations.