USG Durock Shower System Waterproofing Membrane is perfect for waterproofing custom walk-in showers where ceramic, porcelain, or natural stone will be installed. The waterproofing underlayment provides a completely waterproof barrier between the substrate and the installed tile when it is applied to code-approved substrates with unmodified thinset mortar. This membrane is a vapor retarder that is thin, pliable, and extremely durable. Durock waterproofing membrane should be installed using a 3/16" x 3/16" V-Notch, or 1/8" x 1/8" Square or U-Notch Trowel. Membrane is only .012" thick, making installation easy without excessive buildup.
Using a code-approved wall substrate that is suitable for wet areas, apply unmodified thinset mortar using one of the above listed trowels. Starting from the center of the membrane working your way to the edges, embed the waterproofing membrane into the mortar using a finishing trowel or similar tool. This will remove the air pockets behind the membrane and ensure proper adhesion. Make sure to overlap all adjoining sections of the Durock Waterproofing Membrane a minimum of 2".
The USG Durock Shower System Waterproofing Membrane - Available in 3 size rolls
- 75 sq ft roll - 36" wide x 25' long
- 150 sq ft roll - 36" wide x 50' long
- 300 sq ft roll - 36" wide x 100' long
Please choose what size roll you would like with the options above.
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