About GAF Premium Fabric
GAF Premium Fabric is a 100% polyester reinforcement for penetrations. It easily conforms around penetrations and improves strength while maintaining flexibility (formerly known as HydroStop® PremiumCoat® Fabric).
GAF Premium Fabric is a 100% polyester reinforcement for penetrations. It easily conforms around penetrations and improves strength while maintaining flexibility (formerly known as HydroStop® PremiumCoat® Fabric).