Clean the metal surface thoroughly
Remove rust, grease, dirt, and old paint
Sand the surface to create adhesion
Wipe away all dust
Apply a metal primer
Let the primer dry completely
Lightly sand the primed surface if needed
Apply thin, even coats of metal paint
Allow each coat to dry before adding the next
Add additional coats until coverage is complete
Let the final coat cure fully
Apply a clear protective topcoat if desired