Rust-Oleum Gray Cold Galvanizing Compound For Repair Spray Paint, 16 oz. is a zinc-rich primer designed for use on clean, lightly rusted metal or galvanized metal surfaces. It protection similar to hot-dip galvanizing, making it an excellent choice for extending the life of your metal projects. This gray-colored compound can be used alone as an all-in-one primer and finish or as a base under enamel topcoats for added durability. Each 16 oz. can covers approximately 30 square feet and dries to the touch in just 30 minutes, providing quick and effective protection for both interior and exterior applications. The galvanized sheen adds a professional finish that blends seamlessly with galvanized surfaces. Model Number: 7785-830