● ActiveHVHZ approvedLast checked Oct 21, 2026

GAF HydroStop PremiumCoat Roof Maintenance Coating Systems

Florida product approval and Miami-Dade NOA.

Check: Maintenance coating only, not a roof system; over metal, BUR, mod-bit, SPF and single-ply roofs; GAF Approved Applicator required.

Miami-Dade NOA26-0331.05

NOA expires06/21/2031In 56 months

Approval details

Manufacturer: GAF · 1 Campus Drive, Parsippany, NJ 07054
Category: Roofing · Roof coating · Elastomeric acrylic
Approved in HVHZ: Yes
NOA approved: 06/11/2026 · replaces NOA Renews and revises NOA 21-0105.10

Official documents

PDFMiami-Dade NOA 26-0331.05miamidade.gov

Verify on floridabuilding.org ↗

Products this NOA lists

GAF Cleaning Concentrate · GAF EPDM Activator · GAF BarrierGuard Surface Coating · GAF SureBond Primer · GAF UniBase Primer · TPO Red Primer · GAF Lock-Down Primer · GAF Metal Roof Primer · GAF FlexSeal Sealant · GAF Premium Acrylic HydroStop Base Coat · GAF Premium Fabric · GAF Premium Brush-Grade Acrylic Flashing · GAF Premium Acrylic HydroStop Top Coat · GAF TrafficCoat Pedestrian Surface Coating

Quick answers

Is GAF HydroStop PremiumCoat Roof Maintenance Coating Systems approved in the HVHZ?

Yes. The NOA expires 06/21/2031.

Public record. Always verify on the official source before you permit.