3M Scotch-Seal metal sealant 2084 is a one-part aluminum colored sealant which air dries to a tough, flexible film that resists water, oils and fuel. Retains sealing properties after extended aging when painted. - 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.