Gluvit is an epoxy waterproof sealer best known for sealing leaks in aluminum boats. For hidden leaks,cracks annoying drips, leaking rivets and seams on all types of watercraft. This products stops leaks in cabin roofs, decks, hatches and on the entire hull surface of fiberglass and aluminum boats. This products can be painted over or pigmented. One coat is 10 mils thick. Also used as a barrier coat for copper bottomed paints. May be thinned. Pot life is 1-2 hours depending on atmospheric temperatures. One gallon covers approximately 100-125 square feet.