Not sure which product to use?
Owatrol DecoFrom £20.80
Rust inhibiting multi-surface primer and finish for all surfaces
Oxid VernisFrom £21.76
Oxid Vernis is a single pack clear varnish, for use on new or oxidised metals
Rust-inhibiting penetrating primer for overcoating with any paint
Anti-corrosive matt finish primer for new or rusted surfaces