Balcony Deck Waterproofing Systems

AREA SOLUTION

Balcony decks are exposed to weather, foot traffic, and long-term moisture intrusion, making the right waterproofing system critical to protecting the structure below. Westcoat offers professional-grade balcony deck waterproofing systems for plywood and concrete substrates, with options for multifamily, hospitality, residential, and commercial projects.

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Recommended Systems

  • ALX™
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    key features

    • 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

  • ALX™ Solar Reflective Finish
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    key features

    • Meets California Title 24 Requirements
    • Lowers Surface Temperature
    • CRRC Rated
    • IAPMO Evaluated ER 587
    • Meets Class A Fire Test ASTM E-108 and One-Hour Fire Rating ASTM E-119
    • Class I Vapor Retarder ASTM E96 option

  • ALX™ Pro
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    key features

    • Additional Fiberlath Reinforced Membrane
    • IAPMO Evaluated ER 587
    • Meets Class A and One-Hour Fire Rating
    • Class I Vapor Retarder ASTM E96 option
    • Optional 20 Year Warranty

  • ALX™ Pro Solar Reflective Finish
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    key features

    • Meets California Title 24 Requirements | CRRC Rated
    • Lowers Surface Temperature
    • Additional Fiberlath Resin Reinforced Membrane Layer
    • IAPMO Evaluated ER 587
    • Meets Class A Fire Test ASTM E-108 and One-Hour Fire Rating ASTM E-119
    • Class I Vapor Retarder ASTM E96 option
    • Extended 20 Year Warranty

  • ALX™ & ALX™ Pro Waterproofing Underlayment
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    key features

    • Excellent Sound Reduction Qualities
    • IAPMO Evaluated ER 587
    • Waterproofing System That Can Receive Concrete, Tile or Stone
    • Optional Fiberlath Reinforcement
    • Cost-Effective

  • MACoat™
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    key features

    • IAPMO Evaluated ER 587
    • Class A Fire Rating (over concrete)
    • Meets AC-39 Standards for Walking Decks
    • Class 3 Permeable Vapor Retarder
    • Flexible
    • Standard and Custom Colors Available
    • Optional Skid Resistant Texture Can Be Applied

  • MACoat™ Waterproofing Underlayment
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    key features

    • Flexible
    • Durable
    • Fast Access After Installation
    • Environmentally Safe Acrylics
    • Designed For Under Tile and Between Slab Applications

  • MACoat™ Solar Reflective Finish
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    key features

    • IAPMO Evaluated ER 587
    • Meets California Title 24 Requirements | CRRC Rated
    • Helps Reduce the Urban Heat Island Effect
    • Lowers the Surface Temperature
    • Flexible

  • Shur Deck™
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    key features

    • IAPMO ER-517
    • Class A Fire-Retardant
    • One-Hour Fire Resistance
    • Meets 2023 LABC and LARC
    • Meets W.U.I Requirements
    • Meets SFM 12-7A-4 Parts A & B

  • Shur Deck™ Over Concrete
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    key features

    • IAPMO ER-517
    • Class A Fire-Retardant System
    • Meets AC39 Standards
    • Meets LABC and LARC

    best for
    Balcony Deck
  • Mer-ko®
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    key features

    • IAPMO ER-517
    • Class A Fire-Retardant Roofing System
    • One-Hour Fire Resistance Rating
    • Class I Vapor Retarder
    • Meets 2023 LABC & LARC