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