2 gals/square

Henry 203 Roll Roofing Adhesive is a premium, brush or squeegee grade, waterproof adhesive made from asphalt, solvents, and organic fibers. As a replacement for hot asphalt in built-up roofing (BUR) applications, Henry 203 Roll Roofing Adhesive is designed for bonding layers of asphalt coated base sheets. It can also be used to bond selvedge laps on composition and 90 lb. asphalt roll roofing.