Gorilla 4670002 Patch and Seal Tape, 10 ft L, 4 in W, Black

Gorilla waterproof patch and seal tape instantly seals out water, air and moisture. With an extra-thick adhesive layer and UV-resistant backing this tape conforms to form a permanent bond indoors and out. At 4 in wide use it to patch holes, cracks, gaps and tears, even underwater.