USG Durock Liquid Waterproofing & Crack Isolation Membrane

Size

1 Gallon

3.5 Gallon

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USG Durock™ Brand Liquid Waterproofing and Crack Isolation Membrane is a high-performance, liquid-applied waterproofing solution designed for tile and stone applications in both commercial and residential wet areas, including steam showers. This acrylic polymer-based elastomeric membrane provides crack isolation and moisture protection, ensuring long-lasting durability.

Key Features & Benefits

Anti-Fracture Protection: Provides crack isolation up to 1/8 in. (3mm) over non-structural cracks.
Fast Drying: Dries quickly, allowing for a quick turnaround time.
Low Permeance: Has a low permeance rating of 0.38 perms at 20 mils dry thickness per ASTM E96.
Versatile Application: Can be applied using a roller, brush, trowel, or spray.
Steam Room Ready: Can be used in steam rooms and showers without an additional vapor retarder.
Durable Bonding: Bonds directly to stainless steel, PVC, and ABS drains.
Easy Coverage: One coat on smooth substrates and two coats on rough surfaces like cement board.
Multi-Surface Use: Ideal for waterproofing floors, walls, and countertops.

Specifications

Property	Test	Result
Drying Time	N/A	0.5-1.5 hrs.
Fungus Resistance	ANSI A118.10	No mold growth
Shear Strength	ANSI A118.10/ASTM C482	>50 psi
Waterproofness	ASTM D4068	Pass
Water Vapor Permeance	ASTM E96	0.38 perms

Product Data

Size	Packaging
1 gallon	3.78 L
3.5 gallons	13.2 L
Coverage
For smooth substrates: 80-100 ft²/gallon with one coat, 40-50 ft²/gallon with two coats.
For rough substrates: coverage will be lower.

USG Durock™ Liquid Waterproofing and Crack Isolation Membrane provides exceptional performance for both commercial and residential projects. With its versatile application, fast drying time, and low permeance, it's the perfect solution for wet areas and steam showers. Order now and ensure your space stays dry and protected!