Eternabond Alumibond is ideal for use on tears in any roof, metal building drain pans, drain pipes, ducts, boats, canoes and much more. It is perfect for repairs or restoring the metal roof on your motorhome and RV. Types of materials it can be used on include carbon steel, aluminum, galvanized steel, aluminum foil, drywall, wood, rubber, tar, polyethylene, polypropylene, polystyrene, fiberglass, brick, concrete, masonry, rubber, thermoplastics, single-ply roofing, etc. MicroSealant technology. UV stable aluminum backrest. Adheres to surfaces and itself to stop leaks. Use on: Carbon Steel, Aluminum, Galvanized Steel, Aluminum Foil, Gypsum Board, Wood, Rubber, Tar, Polyethylene, Polypropylene, Polystyrene, Fiberglass, Brick, Concrete, Masonry, Rubber, Thermoplastics, Single Roofs cape, etc. Seals leaks in metal buildings, trailer/RV roofs and sides, drain pans, drain pipes, ductwork, boats, canoes, as a protective coating for surfaces and much more. It can be applied in climates as cold as -20 degrees. Seals for an air, moisture and water tight barrier. Dimensions: 4" wide, 50' long. 15-year limited warranty. Made in USA.