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HydroStop™ is a brand of GAF


Please visit the official GAF website for product & technical information: has been tailored to support South Florida contractors, distributors, consultants & design professionals with HydroStop™ training events in accordance with Florida Building Code & Miami-Dade NOA's.


Miami-Dade Product Approvals (NOA)

NOA# 21-0105.10 - PremiumCoat® "Roof Maintenance Coating" System

NOA# 23-0502.01 - PremiumCoat® System over Concrete Decks

NOA# 23-0327.11 - PremiumCoat® System over Steal Decks

NOA# 23-0327.10 - PremiumCoat® System over Lightweight Concrete Decks

NOA# 18-1105.04 - PremiumCoat® System over Wood Decks

NOA# 19-0226.06 - PremiumCoat® System over Recover Decks


NOA# 23-0125.01 - GAF Silicone Roof Coating

NOA# 18-1105.03 - United Coatings™ Unisil and Unsil HS Roof Coating Systems

NOA# 19-0604.02 - United Coatings™ Unisil II  and Unsil HS II  Roof Coating

NOA# 20-0130.07 - United Coatings™ Roof Maintenance Systems

NOA# 19-0207.07 - GAF TopCoat Roof Membrane and Maintenance Systems

NOA# 22-1129.03 - GAF Products over Concrete Decks (formally TOPCOAT® Waterproofing)
NOA# 22-0614.03
 - GAF Plaza Deck

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