For the best results, before painting aluminum, apply good-quality primer and sand again. We recommend using a self-etching primer. This type of primer will remove any lingering dirt or grease and “etch” the surface so the new paint can adhere better. You can get it online or from any hardware or home improvement store.

Spray an even coat of self-etching primer onto the aluminum. Shake the can for about 30 to 60 seconds first, then hold it about 8 inches (20 cm) from the surface. Spray on a light, even coat using overlapping strokes. You can spray side-to-side or up-and-down. Overlap each stroke ever so slightly to ensure that you are covering the surface evenly.