Painting powder-coated (?) aluminum

Old 01-27-07, 05:42 AM
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Painting powder-coated (?) aluminum

I have two outdoor lamp post fixtures I'd like to refinish. I **think** they're cast aluminum (nonmagnetic, showing whitish splotchy corrosion but no red rust) with a flat black finish. I've tested with paint stripper, but no response and I'm thinking they might be powder coated? My question is, how to prep and prime for painting with a flat black paint.
Old 01-27-07, 05:46 AM
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I would think sanding and cleaning should ready them for paint.
Old 01-27-07, 06:43 AM
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^^^That's about it^^^

Not to be wishy-washy but it will either take the paint well, or it won't
Sometimes these finishes seem to do OK with repaints, sometimes it takes quite a few coats
Definitely sand to thoroughly scuff the surface (but not to take the finish off), and use many light coats rather than try and cover with one thick coat

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