Remove all dirt, grease, oil, salt and chemical contaminants.
Wash the surface with a commercial detergent, or other suitable cleaning method. Rinse with fresh water and allow to dry thoroughly.
Remove loose paint and rust with a wire brush or medium grit sandpaper.
Sand the entire surface to be coated with a scuff pad or medium grit sandpaper. Remove all sanding dust with a clean cloth.
Protect and mask off all surrounding areas that are not intended to be coated.