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/L/Coat. Touch Dry 2-4 hours. Hard Dry 3 days. Recoatable 16 hours. The Blackfriar BKFMP250 Red Oxide Metal Primer comes in the following Size 250ml.