Painting Aluminum Bumpers

[RobertK]

What is the best paint and/or method to painting the aluminum diving boards on my car? I'm thinking of going all black but I know regular paints usually don't stick to aluminum very well because it's a pourous metal. Is there a special primer out there for aluminum I could use? Anyone out there ever attempt this b4?

[nefarious7907]

I was going to use SEM self etching primer, made just for adhering to metals.

[AndrewBird]

Aluminum is non-porous. :)

But anyway, self-etching primer will do. There are numerous manufactures that sell it. I would also scuff up the bumpers before you paint/primer with some 150 grit sand paper. This will allow the paint/primer to bond better.

[RobertK]

non-porous.. porous... it's all german to me..

Can you pick up the self etching primer at places like AutoZone or Advance Auto Parts?

[Dave]

non-porous.. porous... it's all german to me..

Can you pick up the self etching primer at places like AutoZone or Advance Auto Parts?

Should be able to. If not, find an auto paint supply store. you are in a decent size city, so there should be a few around. The one by me is great - they have everything and the manager is very knowledgable.