Deck Flex W.M. Walking Deck & Roof Covering System
Class A Fire Rated waterproofing system for plywood and concrete decks. ICC-ES listed for building code compliance.
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Professional waterproof deck coating & specialty systems
Beautiful, code-compliant deck and roof systems
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Waterproof Deck Coating Systems & Specialty Coatings
For over 30 years, Deck Flex™ has been manufacturing ICC-ES listed waterproof deck coating systems for walking decks, roof decks, elastomeric roof coatings and other specialty coatings here in the USA. Our waterproof deck coatings featuring TetraCrete® are building code compliant and trusted by architects, engineers, property managers and homeowners to deliver beautiful, long-lasting results.
From deck paint for residential wood decks to building code compliant walking deck waterproofing systems and Title 24 compliant elastomeric roof coatings that meet cool roof energy standards, we have the right deck coating for your application.
Walking Deck, Roof & Specialty Products
Our Deck Flex W.M. Waterproof Deck Coating System and Deck Flex W.F. Waterproof Deck Coating System are multi-layer waterproof deck coating systems that implement TetraCrete® cementitious technology and are ICC-ES listed (ESR-3672) with Class A and B fire ratings for code compliance over plywood and concrete.
Deck Flex W.F. Walking Deck & Roof Covering System
Class B Fire Rated waterproofing system. Perfect for residential and light commercial applications.
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Deck Flex Elastomeric Deck Paint Top Coat
A durable, flexible elastomeric coating designed for deck surfaces. Provides excellent waterproofing and UV protection.
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Elastomeric Roof Coating (T2424)
Energy-saving elastomeric roof coating. Meets Title 24 requirements for commercial roofing applications.
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All-Purpose Protective Sealer
Waterborne industrial sealer that protects various surfaces from water, chemicals, and solvents. 400 sq. ft. coverage per gallon.
View Details →Expert Guides & Technical Resources
Step-by-step installation guides and technical resources on waterproof deck coatings, building codes, and product selection.
How To Apply Deck Flex's Elastomeric Roof Coating
Step-by-step guide to applying our elastomeric roof coating for maximum durability and energy efficiency.
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How to Seal Your Wood Deck
Learn the best practices for sealing and protecting your wood deck to ensure long-lasting beauty and performance.
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How to Choose a Deck Coating Product
Expert advice on selecting the right deck coating product for your specific needs and climate conditions.
Read Guide → Building Standards & Codes
Understanding ICC-ES AC39 for Walking Decks
Learn what ICC-ES AC39 is, why it matters for deck projects, and how it ensures product quality and code compliance.
Building Standards & Codes
Fire Ratings Explained: Class A vs Class B
Understand ASTM E84 fire testing, flame spread indexes, and when Class A or Class B ratings are required.
California Building Codes
California Balcony Waterproofing: SB 721 & SB 326 Compliance
What property managers and contractors need to know about California balcony inspection laws and code-compliant waterproofing repairs.
California Building Codes
CRC R337.9.3: WUI Deck Walking Surface Fire Requirements
Understanding California WUI zone fire requirements for deck walking surfaces, the 7 compliance options, and how classified roof covering systems satisfy R337.9.3.
Building Standards & Codes
Waterproofing a Plywood Deck: What Building Codes Require
Why plywood deck waterproofing requires a tested, ICC-ES listed system — not a consumer product. Substrate requirements, fire ratings, and code compliance.
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