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Award winning EM121 epoxy mastic rust proofing paint is a two-part high build primer/finish that can be used on steel, aluminium, galvanised metal and GRP.

It is perfect for car underbodies, including chassis, floor pans, sills, foot wells, wheel arches and suspension components, as well as engine bays. It has also been used in yacht keels, decorative ironwork (including gates, fences and garden furniture), steel buried underground, bridges, tunnels and canal boats.

EM121 is a versatile paint that has multiple applications:

A high-build all-in-one primer/finish coat, with a super-hard finish (no need for a top coat) to rival powder coating, yet it’s easily applied by the DIY enthusiast.

A primer/barrier coat that can be over painted with single or two pack products.

A surface filler when used un-thinned to fill pits in steel up to 500 microns (½mm) deep.

Why is EM121 so effective?

EM121 combines nano fine pigments and an epoxy resin that penetrates the surface to form a bond that will not flake or peel. It sets hard, while still flexing with the surface to maintain superb adhesion. It has excellent impact resistance, but even when chipped moisture cannot travel beneath it due to the primary bond with the surface.

Packs are supplied with mixing instructions, including thinner quantities. All colours can be over painted with single or two pack products, but EM121 also works on its own as a primer-finisher with no need to be over-painted.

This product is typically very viscous (thick) and requires a correct mixing procedure and thinning with the supplied thinner. Please therefore follow the instructions to ensure best results.

Rustbuster EM121 Chassis Renovation Paint