GAF Premium Acrylic HydroStop® Top Coat (Formerly HydroStop Finish Coat)

Why Premium Acrylic HydroStop® Top Coat? The Premium Acrylic HydroStop® Top Coat is the top layer of the HydroStop PremiumCoat System. Used in conjunction with the HydroStop Foundation Coat and the HydroStop Fabric. HydroStop Premium Coat System is a roofing and water-proofing solution for coating, recovery, reroof and new roof applications. It provides a fully-adhered, breathable acrylic membrane for a variety of existing roof substrates. Roof substrates: Metal (historic or commercial) roofs, flat and low-pitched roofs, BUR, structural concrete, EPDM, Hypalon, modified bitumen, PVC, and TPO roofs, as well as parapet walls and exterior walls Water-based acrylic base coat. Seamless and self-flashing Why HydroStop PremiumCoat System? Decrease energy costs with available highly reflective top coat. Provides advanced water proofing and protection against extreme weather events such as hail, high winds and rain. Can be installed over a variety of roofs without the need for a complete te