BoatLife Life Calk Sealant Cartridge. B/L1033 A long lasting, permanently flexible marine polysulfide sealant. This caulk can be sanded, painted and used above and below the waterline. Tack-free in 1 to 3 days, Cures in 7-10 days (weather dependent). Excellent resistance to teak oils, gasoline and diesel fuel. Color: White B/L1033 A long lasting, permanently flexible marine polysulfide sealant. This caulk can be sanded, painted and used above and below the waterline. Tack-free in 1 to 3 days, Cures in 7-10 days (weather dependent). Excellent resistance to teak oils, gasoline and diesel fuel. Color: White