BOATLIFE- An all purpose, non corrosive, low odor marine silicone sealant. Tack free in 30 minutes or less. Fully cured in 24 hours. For above the waterline sealant applications. Will not shrink, crack, dry out or yellow. Superior flexibility and adhesion to fiberglass, plastic, metal and wood. Retains hardness, flexibility and tensile strength even after years of exposure. Is not sandable or paintable.