Can be applied directly over firm, rusty surfaces;For use on metal substrates;For previously painted surfaces, apply hammerite rust cap enamel finish to a small area first to check adhesion and test for lifting or cracking;Formulated for interior and exterior use;Aluminum and galvanized surfaces require a prime coat of hammerite rust cap 48300 galvanized and aluminum primer

• Masterchem 43120 Hammerite Rust Cap Rust Preventative Paint Hammered Brown 1 Qt
• Rust

Masterchem 43120 Hammerite Rust Cap Rust Preventative Paint Hammered Brown 1 QtJensen (Home Improvement)