Products / 4350 Hybrid Construction Sealant

4350 is a hybrid construction sealant that the maker aims at metal roofing and siding, bonding to PVDF, SMP and polyester-coated steel, bare galvanized and Galvalume panels, aluminum and copper, and which it says can be applied wet or dry at temperatures as low as 0 degrees F. Its product data sheet states it meets ASTM C 920, Type S, Grade NS, use NT, A, M, and G. It is sold in 10.1 fl. oz. cartridges in a wide range of named colours. The home page calls it the 4350 Metal Roof & Siding Construction Sealant.