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The USG Durock – TM Brand Liquid Waterproong Membrane is an acrylic polymer-based product for both commercial and residential tile and stone applications. Suitable substrates include concrete masonry cement backerboard gypsum-ber panel and gypsum-based cement topping. It can also be used as a shower pan liner in accordance with Section 417.5.2.5 of the IPC and Section 408.7 of the UPC. The product changes color when cured. The USG Durock – TM Brand Liquid Waterproong Membrane has the lowest permeance rating 0.43 perms at 15 mil dry thickness of any liquid waterproofing membrane when tested to ASTM E96 Procedure E. It is ideal not only for showers and other wet areas but also for continuous-use residential and commercial steam showers without an additional vapor retarder. PACKAGING SIZE AND COVERAGE One gallon 3.78 L and 3.5 gallons 13.2 L. For smooth substrates 80-100 ft2/gallon with one coat 40-50 ft2/gallon with two coats each coat at wet lm thickness of 15-20 mil. Coverage will be lower for porous or rough substrates. – Liquid-applied waterproofing and crack isolation membrane and vapor retarder – Can be used in steam room/shower without additional vapor retarder – Fast drying time allows for quick turnaround time – Can be rolled brushed troweled and sprayed.
- Can be rolled brushed troweled and sprayed
- Fast drying time allows for quick turnaround time
- Low Perm Rating 0.38 perms at 20 mils dry thickness per ASTM E96 Procedure E
- Anti-fracture protection up to 1/8 in. 3 mm over shrinkage and other non-structural cracks
- Suitable for waterproofing floors walls and countertops