Superior Red Oxide Primer, a fine quality, rust-resistant primer is ideal for use on ferrous and steel surfaces. It can be used for both interior and exterior applications using appropriate topcoats.
RECOMMENDED USE
Superior Red Oxide Primer is recommended for priming steel surfaces,
after proper surface preparation.

140-180* sq.ft / Litre for one coat finish under normal conditions *Actual coverage  may vary due to factors such as method and condition of application, surface roughness and porosity and weather conditions.