3M™ Scotch-Seal™ Metal Sealant 2084 is a single-component, aluminum-coloured, general-purpose, medium-viscosity sealer that air dries to form a tough, flexible film that resists water, oils and fuel. Ideal for bedding glass in aluminum window channels. This sealant also adheres well to many other metals and woods and maintains a strong, reliable internal integrity after full cure. Air-dries to a tough, flexible film bond that resists water, oils and fuel. Ideal for bedding glass in aluminum window channels. It also adheres well to many other metals and woods.