GURU G-FLEX Uncoupling Membrane is a high-performance tile underlayment engineered to provide crack isolation and waterproofing for residential and commercial installations. Its polyethylene core and geotextile fiber backing form a stable uncoupling layer that helps prevent tile cracking caused by substrate movement while delivering dependable moisture management.
Key Features
- Uncoupling Layer: Helps prevent cracks from transferring through the tile surface.
- Waterproof Construction: Acts as a vapor barrier to support moisture control under tile.
- HDPE Membrane: Made from high-density polyethylene with a raised circular structure for stability.
- ANSI Certified: Meets ANSI A118.10 and ANSI A118.12 requirements for waterproofing and crack isolation.
- Versatile Application: Suitable for high-demand environments such as kitchens, breweries, airports, and food-processing areas.
- High-Traffic Thickness: 1/8" membrane profile supports performance in heavy-use spaces.
Specifications
| Specification | Details |
|---|---|
| Material Thickness | 0.02" |
| Membrane Thickness | 1/8" (3 mm) |
| Core Material | High-Density Polyethylene (HDPE) |
| Backing Material | Thermo-bonded Polypropylene Fiber |
| Color | Red |
| Temperature Range | -22°F to +176°F |
GURU G-FLEX Uncoupling Membrane offers crack isolation, moisture protection, and a stable installation base for demanding tile environments.


