GAF Premium Acrylic HydroStop Top Coat, Grey — 5 Gallon Pail

Regular price $240.57

/
Shipping calculated at checkout.

Premium Acrylic Roof Top Coat (Grey, 5 Gal)

Professional-grade, water-based acrylic elastomeric top coat designed for the HydroStop Coating System. Provides durable UV and weather protection across multiple substrates for recover, reroof, and new roof applications.


Key Features:

  • Elastomeric Protection: Acrylic formulation helps shield roofs from UV exposure and weathering
  • System Compatible: Designed to be used with HydroStop Base Coat and Premium Fabric for a liquid-applied membrane
  • Multi-Substrate Use: Suitable over a variety of roofing substrates for versatile applications
  • Class A and FM Approvals: Meets ANSI/UL 790 Class A; FM 4470 Approved; passes FM Severe Hail
  • Energy-Conscious: Title 24 rated by the Cool Roof Rating Council (CRRC) for compliant projects

Specifications Table:

Specification Details
Product Name Premium Acrylic HydroStop Top Coat
Brand GAF
Color Grey
Unit of Measure GAL | 5GL
Packaging 5 Gallon Pail
Item Weight 60 lb
System Compatibility Use with GAF Premium Acrylic HydroStop Base Coat and GAF Premium Fabric
Type Water-based acrylic elastomeric coating
Applications Recover, reroof, and new roof
Applicable Standards ANSI/UL 790 Class A UL Listed; FM 4470 Approved; Passes FM Severe Hail; Florida Product Approval (FBC) FL620, FL20663; Miami-Dade County NOA 21-0105.10; Title 24 CRRC rated
Manufacturer Number 890031345
Product Number GAFRHSTC5GR
Style Category Adhesives, Caulks & Sealants

Frequently Asked Questions (FAQ):

Q: Can this top coat be used as a standalone product?
A: It is intended to be used as part of the GAF Premium Acrylic HydroStop System with Base Coat and Premium Fabric for optimal performance.


Q: What color is this product?
A: Grey.


Q: What projects is it suitable for?
A: Recover, reroof, and new roof applications over various substrates.


Q: What certifications does it have?
A: ANSI/UL 790 Class A, FM 4470 Approved, passes FM Severe Hail, Florida Product Approval, Miami-Dade NOA 21-0105.10, Title 24 CRRC rated.


Q: How is it packaged?
A: 5 Gallon Pail.


A sleek, resilient finish that elevates rooftop aesthetics

This top coat brings a refined, modern polish to roofing surfaces while quietly delivering serious performance. Its smooth grey hue offers a contemporary, architectural edge that complements industrial and minimalist palettes alike. Layer it with the HydroStop system to create a seamless, liquid-applied membrane that feels intentional and impeccably finished. For luxury that lasts, it’s the finishing touch that marries beauty with endurance.


Enhance your roof’s durability and appearance—choose the HydroStop Top Coat for long-lasting, compliant protection.

*Third Party Trademarks

All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.

Why choose us

The Arbor Way

• Lowest Prices. Easy Online Shopping. Fast Delivery.

• No lines. No holds. No Hassles.

• America's Largest Inventory Network for All Home Improvement Supplies Nationwide.

• We deliver - town to town, door to door. 


Recently viewed

\