Star brite Marine Silicone Sealant - Cartridge Bonds to fiberglass, wood, glass, metal and some plastics; can be used above and below the waterline Provides waterproof, airtight bond, but can be easily removed; ideal for mounting deck hardware Not affected by sunlight, weathering, most chemicals or solvents Dries tack-free in less than one hour, cures completely in 24 hours; custom colors available