Studio Finishes Molten Metallics - Quart (Copper) Produces beautiful metallic hammered effect. Deep rich high gloss finish. Interior / Exterior. Hard durable finish. Offers superior rust inhibition on exterior surfaces. For interior / exterior use on new and previously painted surfaces, including furniture, decorative pieces, trim and accent ceilings and walls. Use wherever a metallic hammered finish is desired. Do not apply when air and surface temperatures are below 50F (10C). Two thin coat required for complete coverage. Do not apply to bare galvanized metal or aluminum.