Very high strengthWatertight bondsAbove/Below waterline useThis black colored seal is extremely strong, retains its strength above or below the water lineStays flexibleHas excellent resistance to weathering and salt water
3M Marine Adhesive Sealant 5200 Black, 06504, 1/10 gal
Brand: 3M, Model: 06504, Color: Black, Size: 10 oz