Use 3M Polyurethane Adhesive Sealant 550 Fast Cure to seal and bond a variety of substrates, including concrete, wood, aluminium, most lacquered metals, polyester, glass, and stone. Our multi-purpose, high performance, two-component, moisture and chemical curing, sealant is ideal for a number of construction applications, including vertical and horizontal expansion joint applications, concrete and masonry control joints, and door and window frame perimeters. It offers excellent weather resistance, is non-staining and is paintable once tack-free in 10-20 minutes.