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Old 05-21-2012, 09:46 PM
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Epoxy or Sealer over old clear coat?

Going to respray and old BMW. The car has been repainted BC/CC and the clear coat on the sides of the car is in great shape. The reason for the respray is that the hood and trunk had been striped to bare metal and then based and cleared, no primer or sealer that I could see. I would like to block sand with 180 then spray with epoxy or sealer then paint. Will 180 be rough enough for a good bond on old clear coat and would epoxy be better than sealer?

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Old 06-06-2012, 07:47 AM
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I think you should get some 180, 400, 600, 800 and 1000 paper and play around on a sample first before you START. 180 paper will soon have you back to bare metal, where as 400 -600 will give you a keyed up surface for another coat over existing paint. If its BC/CC talk to the pros from the shop to get the correct paint for your application.
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Old 06-06-2012, 11:04 AM
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Quote:
Originally Posted by kmoses
the hood and trunk had been striped to bare metal and then based and cleared, no primer or sealer that I could see.
If base coat was put over bare metal, I'd be very suprised if it held up.
It needs to be stripped and epoxy primer first, then the base.
Base is not for bare metal.
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Old 06-06-2012, 02:46 PM
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If the base is holding on my guess is it was at the very least primed with epoxy or some kind of primer. It may be such a thin coat you can't see it with out carfull sanding but it must be there.
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Old 06-06-2012, 05:51 PM
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I stripped the hood and trunk with aircraft stripper, scuffed with 180 then sprayed them with 3 coats of Eastwood epoxy primer and block sanded to 400 dry. Block sanded the rest of the car with 320 dry, sprayed two coats of Eastwood epoxy and blocked it with 400 dry. Now I am going to wait about three weeks for the epoxy to fully cure and wet sand everything with 600 wet.
I hope to get some color on it soon after that. This will be my first attempt at BC/CC and I don't want to screw this up.
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Old 06-08-2012, 04:48 AM
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everything sounds good ,its ready to paint...You shouldnt have any problems.
what color is it going to be ,do you know what brands of base and clear your going to use ? want any suggestions....
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