🚚 Free shipping on GURU orders above $399
Couldn't load pickup availability
Guru Waterproofing Membrane Water-Stop: A Great Shower Waterproofing Solution
WATER-STOP is a thin load bearing, bonded, sheet membrane for waterproofing applications. This flexible waterproofing membrane offers great adhesion to surfaces and very low thickness.
The bonded waterproof membrane system gives better moisture control by protecting all substrate below tiles from water getting under the surface and stagnating, so that the tiling base is free of saturated material, mold grow, bad smell and moisture deterioration.
With the WATER-STOP which assures perfect waterproofing and provides the professional installer with a wide range of roll sizes and W-S accessories to create a watertight layer to protect the structure and tiling from moisture and substrate cracking, GURU takes position as benchmark in tile installation waterproofing systems.
Features and advantages of the Guru Waterproofing membrane:
- Better moisture control
- Protect all substrate below tiles from water
- Avoid saturated material, mold grow, bad smell and moisture deterioration
- Meets the American National Standard for Thin-Set Ceramic Tile and Dimension Stone Installations ANSI A118.10 for Load Bearing, Bonded, Waterproof Membranes and ANSI A118.12 for Crack Isolation Membranes.
- Compliant with The Uniform Plumbing Code and The International Plumbing Code.
- IAPMO listed product (files 9205 and 9990).
- Very low thickness thanks to an innovative multilayer extrusion process
- Ideal to Waterproof Shower Walls and Floors
Installation advices:
- Installed using an appropriate thin-set mortar and with the W-S waterproofing accessories; bands, tapes, corners and flashings, is a complete assembly bonding together to create a watertight layer.
3`3" x 16`5" - 54 sqft
Member pricing and points on every order. Free to join, start at Pro Bronze. Your member price shows automatically once you're logged in.
Built for the crew that has to make it work
Pro grade brands
We stock the brands the trade actually installs, selected for job sites and not for the weekend aisle.
One order, whole job
Kits and the parts that go with them live in one place, so the install does not stall waiting on a missing piece.
Real install videos
Step by step installation videos in the PFP library, so the crew can see the method before the first cut.
Guaranteed waterproof
Complete shower systems built around a fully waterproof install. Guaranteed waterproof.
Ships from the USA
Orders ship from the United States, to your shop or straight to the job site.
Talk to a real pro
Questions before you order? Call +1 888-747-7671 and reach someone who knows the product.
Specifications
| Material | Highly-flexible, low perm multi-layer steam barrier waterproofing membrane |
|---|---|
| Thickness | 20 mil |
| Roll 54 sq ft | 3' 3" x 16' 5" |
| Roll 108 sq ft | 3' 3" x 32' 10" |
| Roll 323 sq ft | 3' 3" x 98' 5" |
| Roll 430 sq ft | 6' 7" x 65' 7" |
| Certification | ANSI A118.10 (IAPMO FILE 9205) |
| Certification | ANSI A118.12 (IAPMO FILE 9990) |
| Approval | Product accepted by IAPMO |
Winni Work Along: installation & jobsite tips
PlaceForPros shows you how to install it right: step-by-step videos and pro tips from Winni.
- Choosing a selection results in a full page refresh.