How to Prepare Aluminum for Painting | Hunker
Oct 14, 2012· painting aluminum toolbox. ... First you need a wire wheel on a 4 1/2 inch grinder to prep the surface. Wash it and allow it to dry. ... it up, use a scotch bright pad, then prime it. I like the sound of the epoxy paint recommended earlier as well for a finish or the bed liner material. If you go black, it will be quite hot in the sun. Cheers, Bob