Color - Black. Forms watertight, weather-resistant seals on joints and boat hardware above or below the waterline. Paintable and sandable. This product is approx. half the strength of 3M™ Marine Adhesive/Sealant 5200, which allows for disassembly of pa When very high strength or irremovable bonds are required, use 3M™ Marine Adhesive/Sealant 5200 or 3M™ Marine Adhesive/Sealant Fast Cure 5200. Not recommended for sealing wood decks because it may be permanently softened by certain teak cleaners or