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

Resources for every professional

Contractors

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

Architects & Design Pros

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

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