Wood Surface

Experience unmatched strength, durability, and design with ALX, Westcoat's waterproof deck coating system. Formulated for plywood surfaces, the ALX 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. Developed by experienced industry professionals, ALX is the first choice of the top deck coating applicators in the industry.

Durable and waterproof
The ALX system stands up to heavy traffic on balconies, corridors, stairs, landings, and interior floors. This durable waterproofing system protects plywood surfaces from the elements.

Quick-dry installation
Apply more than one coat per day with the ALX system; an acrylic cement mixture translates to faster drying times. Fewer installation steps can significantly reduce labor. The ALX system can be applied early in the building process, allowing other trades to complete painting and stucco prior to final finishes.

Strong, resilient and tough enough for hotels, condominiums, apartments, office buildings, and residential homes
By combining our Sheet Membrane, also known as Seal Guard, with 2.5 galvanized metal lath and a high polymer content, cracking and leaking is virtually eliminated. ALX offers strength without added weight; the finished product weighs approximately 2.5 pounds per square foot.

Excellent versatility
ALX is perfect for applications from the common to the decorative. A multitude of finishes and textures satisfies discriminating contractors, architects, and homeowners. ALX can be stapled through most old deck systems for easy rehabilitation of problem surfaces. ALX works as a waterproofing underlayment for concrete, stone, and tile. Also used for interiors, ALX can transform plywood floors into the look of concrete.

Advantages
  • Field and lab tested since 1988
  • Meets the AC39 criteria for walking decks
  • Class-A Fire Rating
  • 1-hour Fire Test over 5/8" plywood substrate - ASTM E119
  • Passed a wide variety of stringent tests for tensile strength, compressive strength, bond strength, abrasion, weatherability, chemical resistance, impact resistance and a 50 freeze-thaw cycle
  • Provides early protection after framing
  • Available in a variety of colors and patterns
  • Mitigates plywood seam movement
  • Environmentally friendly finishes
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