Marine-Tex builds and repairs: holes, cracks, dents, worn out surfaces and damaged substrates. Bonds and fuses fiberglass, plastics, wood, metals, ferro-cement and porcelain. Marine Tex is impervious to oil, fuel, grease, brine and detergents. It is unaffected by temperatures from -60 F to 300 F. Can be sanded, drilled, sawed, threaded and painted. Marine tex handles like putty, hardens like steel, and sands like wood. Non-magnetic, non-rusting and non-corrosive.