Apply 2 coats of Intergard 5000.
Intergard 5000 is a highly chemical-, abrasion and impact resistant primer / finish ideal for the corrosion protection of cargo tanks. Available in red oxide and aluminium colour. Intergard 5000 is highly tolerant to damp substrates, and demonstrates excellent performance when applied directly to tight rust. Intergard 5000 is compatible with various 2 component coating systems.