High quality silicone sealant For above the waterline interior/exterior sealing non-yellowing, non-sagging formula Adheres to bare and painted metal, fiberglass, glass, non-oily woods, many plastics and abraded rubber Moisture-curing For industrial/occupational use only. Not for consumer sale or use. High quality silicone designed for the harsh marine environment It is clear in color Non-yellowing seal that remains flexible even after years of exposure