Mahogany Life-Calk® Sealant - Mahogany - 10.6 oz.--A long lasting, permanently flexible marine polysulfide sealant which can be sanded, painted, and used above and below the waterline. Tack-free in 1 to 3 days, excellent resistance to teak oils, gasoline, and diesel fuel. Ideal for teak decks, to bed deck and hull hardware, seal thru-hull fittings, and underwater seams. Will bond to fiberglass, wood, metal, glass, and itself. Can be applied underwater for emergency repairs. Can be applied to damp surfaces.