Blackfriar Red Oxide Metal Primer protects ferrous metals such as steel and iron with this special water-resistant formulation. It resists rust and is anti-corrosive. Suitable for interior and exterior use. Application method; brush, roller spray. Coverage: 14m & sup2;/L/Coat. Touch Dry: 2-4 hours. Hard Dry: 3 days. Re-coatable: 16 hours.