The Armor Rust Remover is a concentrated cleaner designed to remove rust stains on the surface, and deep within the pores. It can be applied to interior, exterior, vertical and horizontal surfaces.
Once the rust stains have been removed, a Foundation Armor sealer can be used to prevent new rust stains from forming.
Undiluted: 100-200 ft2 /gallon in one coat
Diluted: 1:1 with water 200-400 ft2 /gallon in one coat