Farrow and Ball Metal Primer & Undercoat.
A rust inhibiting primer for all bare ferrous metal surfaces. It can be used on gates, railings, furniture, radiators and metal downpipes when using Exterior Eggshell, Estate Eggshell, Full Gloss and Dead Flat. It is important to use the correct type and colour of Farrow & Ball Primer and Undercoat, and it is available in four colours dependent on your top coat colour.
Click on 'Help with colours' to find the correct colour.