3M™ Scotch-Seal™ Metal Sealant 2084 is a one-part aluminum colored, general purpose, medium viscosity sealer that air dries to a tough, flexible film that resists water, oils and fuel. The sealant has a strong, reliable internal integrity after full cure. - Can be used to bond and seal aluminum to glass, also adheres well to many other metals and woods. Painting after curing is recommended, especially if sealed area will be subjected to UV exposure.