

ALX™
Plywood SYSTEM
IAPMO Evaluated ER-587
Meets Class A Fire Test ASTM E-108
Meets One-Hour Fire Rating ASTM E-119
City of Los Angeles LARC and LABC
Complies with Wildland Urban Interface Requirements
Experience unmatched strength, durability, and design with Westcoat’s, ALX waterproof deck coating system.
Formulated for plywood surfaces, the ALX waterproof system integrates the finest acrylic resins and cement blends into a reinforced, galvanized metal lath. ALX eliminates plywood seams and is ideal for use in heavy traffic areas.
Westcoat ALX Standard is a waterproof deck system. It is reinforced with metal lath and is installed with a series of three separate polymer-modified cementitious applications, and sealed with Westcoat’s SC-10 Acrylic Topcoat.
The finished product weighs approximately 2½ lbs per square foot. This system gives plywood the look and the feel of concrete with a decorative appeal.


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