About GAF Premium Acrylic HydroStop® Base Coat

When used in conjunction with the Premium Acrylic HydroStop® Top Coat and the Premium Fabric to create the GAF Premium Acrylic HydroStop® System, it provides a fully-adhered, adhesively attached, breathable acrylic membrane and a complete roof cover for existing roofs. GAF Premium Acrylic HydroStop® Base Coat is designed for easy application with conventional or airless spray equipment, as well as a brush or roller.