Fixing oxidized paint

6meter

Chief Petty Officer
Joined
May 15, 2010
Messages
525
Ive got an 1986 Century that the paint is oxidized and very dull. The sun has did a good job on it. I've machine compounded and waxed but its nowhere near what it should be. Somebody on here said to sand it with 600 paper and then buff it but that is pretty much what has been done. I'm looking at painting it. I read in some threads on rolling new gel coat on?? Wouldn't that come out uneven, rough, roller lines? Can you spray it on? Would PPG Omni paint work with the epoxy primer? Or would that be to hard and crack? Read alot of threads but not many on painting.
 

tschmidty

Chief Petty Officer
Joined
Mar 24, 2010
Messages
462
Re: Fixing oxidized paint

If you're ok with compounding, I would go ahead and try wet sanding it to remove the oxidation. Gel coat is 10 times thinker than paint so you have a lot to play with. Depending on how bad it is, start with 600-1000, then 1500, 2000 and depending on how much you want to buff go to 2500.

Compounding is not the same as wet sanding, does not remove nearly the same material. 600 is fairly agressive and will take off oxidation pretty quick. I think you'll be surprised at what you can get out of the finish already there.
 

geedubcpa

Petty Officer 1st Class
Joined
Jun 1, 2009
Messages
209
Re: Fixing oxidized paint

Wet sanding is the key - but like the previous poster said - go gentle with 1000 grit until you are sure you don't damage the finish.
 

SLiM JiM 156

Cadet
Joined
Feb 28, 2010
Messages
26
Re: Fixing oxidized paint

I just did my boat which was very heavily oxidized, It's maroon but was basically a pink/white with absolutely no shine. I started with 1000 grit sandpaper, then went to 1500, 2000, 2500, then finished it off buffing with Meguiars 45 high gloss polish. You can't really tell the shine in the pic, but this is how it came out.
 

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