Butyl Rubber Caulk (Grey)
Gray Butyl Caulk # 1232
Butyl Rubber Caulk is an elastomer-based sealant for use on many dissimilar building surfaces. It has exceptional adhesion to common construction surfaces such as metal, glass, wood, brick, stone and paint. It is ideal for sealing narrow openings in mobile homes, skylights and application of vapor barrier. Is also recommended for joints in Preserved Wood Foundations (PWF).