Dow Corning 790 Building Sealant is one-part, neutral-cure silicone sealant. Dow Corning 790 Building Sealant is Silicone Building Sealant offers outstanding unprimed adhesion to masonry and is particularly effective for sealing expansion and control joints, precast concrete panel joints, Exterior Insulation and Finish Systems (EIFS) joints, curtainwall joints, mullion joints, stone pavers, and many other constructionjoints. When used in accordance with Dow Corning application and testing recommendations, the sealant forms a durable, flexible, watertight bond with many common building materials, including combinations of stone, concrete, masonry, granite, marble, aluminum, painted substrates, and glass. Color: Gray Contents of Sausage : 20 fl oz (590 ml)