About GAF Premium Brush-Grade Acrylic Flashing

GAF Premium Brush-Grade Acrylic Flashing is manufactured from an acrylic resin specifically designed to provide increased tensile strength and elongation in “level out” low-lying roof areas. Its lightweight, spreadable consistency is permanently flexible and contains no plasticizers (formerly known as HydroStop® PremiumCoat® Butter Grade Flashing).

  • Lightweight, spreadable consistency
  • Permanently flexible, contains no plasticizers 100% acrylic, -35° flexibility
  • Extra high film build, over 1/8th up to 3/16th inch (3 – 5 mm)
  • Bonds to most surfaces and all common roofing materials
  • Meets VOC emissions and regulations to eliminate facility downtime during installation

Product Documentation

Learn acrylic roof coating installation techniques from the pros.

GAF Acrylic Coatings Installation Guide

Easy-to-install acrylic elastomeric roof coatings offer durability, UV protection, and high reflectivity. Learn installation techniques from the pros.

Resources for every professional

Contractor working on a commercial roof

Contractors

We’re building new plants for greater capacity, and better systems for faster response and greater visibility.
Contractor Resources
An architect drafting blueprints

Architects & Design Pros

We’re building better, faster, more accurate access to the information you need.
Design Resources
A commercial storage facility

Property managers & owners

Whether you manage one property or many, we’re building the products and programs you need to reroof, restore, or maintain your investment.
Building Resources
GAF employee outside flatbed truck with shingles

Roofing suppliers

Find tools, documents, and training designed by GAF to help you serve your customers.
Dealer Resources