GAF Premium Acrylic HydroStop Base Coat, White — 5 Gallon Pail

GAF Premium Acrylic HydroStop Base Coat, White — 5 Gallon Pail

Regular price $287.14

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Premium Acrylic HydroStop Base Coat, 5 Gal

High-solids elastomeric acrylic base coat designed to enhance adhesion for HydroStop TopCoat in roof coating systems. Easy to apply by spray, brush, or roller for professional-grade results.


Key Features:

  • Enhanced Adhesion: Engineered as a basecoat to improve bond with GAF Premium Acrylic HydroStop TopCoat
  • Easy Application: Suitable for conventional or airless spray equipment, plus brush or roller
  • Professional Grade: High-solids elastomeric acrylic formulation for durable performance
  • Certified Performance: Meets ANSI/UL 790 Class A; FM 4470 Approved; passes FM Severe Hail; Miami-Dade NOA 20-0130.07
  • Convenient Packaging: 5-gallon pail in White for larger projects

Specifications Table:

Specification Details
Product Name Premium Acrylic HydroStop Base Coat
Brand GAF
Color White
Package Size 5 Gallon Pail
Unit of Measure 5GL (GAL)
Formulation High-solids elastomeric acrylic coating
Intended Use Basecoat in HydroStop system to improve adhesion of HydroStop TopCoat
Application Methods Conventional or airless spray equipment, brush, or roller
Certifications/Approvals ANSI/UL 790 Class A; FM 4470 Approved; Passes FM Severe Hail; Miami-Dade County NOA 20-0130.07
Item Weight 60 lb
Manufacturer Number 890291920
Product Number GAFPHSBC5

Frequently Asked Questions (FAQ):

Q: What is the primary purpose of this base coat?
A: It serves as the base layer in a HydroStop system to improve adhesion of the HydroStop TopCoat.


Q: How can it be applied?
A: Use conventional or airless spray equipment, or apply with a brush or roller.


Q: What color and size is this SKU?
A: White color, packaged in a 5-gallon pail.


Q: What certifications does it carry?
A: ANSI/UL 790 Class A, FM 4470 Approved, passes FM Severe Hail, and Miami-Dade NOA 20-0130.07.


Q: What type of formulation is it?
A: A high-solids elastomeric acrylic coating.


A sleek, seamless foundation for resilient rooftops

Like a tailored underlayer, this base coat creates a refined foundation that elevates the entire roof assembly. Its high-solids acrylic sheen whispers durability while setting the stage for a flawless HydroStop topcoat. Pair it with crisp, light finishes to reflect sun and sharpen architectural lines. It’s the quiet essential that ensures a polished, long-lasting, luxury roofscape.


Choose this professional-grade base coat to anchor your HydroStop system with reliable adhesion and certified performance.

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