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Old 05-07-2006, 04:09 PM
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Prep for Painting

I had to repair rust and rotten wood on my model A around the top, where the vinyl top meets the body. I've got the repairs done, however after reading posts for about 5 hours, trying to determin what has be done before I paint, I am thinking I may have screwed up.

I'm only painting the top half of the car, which has great paint. I didn't use any cleaners before sanding, which if I've read the posts right, I may have driven wax & impureities deep into the existing paint. If this is the case how would I go about correcting it now? Bye the way I'll be using PPG DCC 9300 with DU5 hardner.

Any help would be greatly appreciated.

Thanks
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Old 05-07-2006, 08:47 PM
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Just clean it real well with wax and grease remover and cross your fingers. Use a solvent based wax and grease remover then follow that with a water based wax and grease remover or a 50/50 mix of isopropyl alcohol and water. You want to wet the surface then wipe it off. Make sure the surface is good and dry before you tack rag and paint. I bet it'll be just fine with no fisheyes. Bob
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Old 05-07-2006, 09:58 PM
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Prep for paint

Thank you baddbob. Should I not sand it again after the cleaning? I'm not sure how much (thick) paint & thought maybe I should do some more sanding to ensure there isn't to much paint. As you can no doubt tell I don't have much experiance in the paint department, but I like to do thing my self, rather than farm it out. I really do appreciate your imput, thanks again
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Old 05-07-2006, 10:45 PM
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Unless the car has been waxed alot I don't think you would really have a problem anyways. The thing to watch out for is fiberglass parts that may have mold release on them before sanding. I never really had a problem not wiping down a car before I started grinding away paint to do rust repair. But you should clean it now anyways and before you paint. Like bob said, use a wax and grease remover. The important thing with w&g remover is to use two rags, one for the cleaner, one to dry. The wax and grease remover will bring the impuritys to the top and the second rag is followed right behind to dry while it is still wet. If the w and g remover dries before you wipe it off, you really aren't doing much good. If you can locate a mil gauge that will measure the thickness of the paint without sanding. You can kinda gauge too if you ground down to metal at all to do the rust repairs. When you feather out the paint, count the layers. If its only a few you shouldn't have a problem.
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Old 05-11-2006, 11:35 PM
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Thanks for the info guys, it is fantastic, that those of you in the business, are willing, to come to the rescue, of those of us needing so much help, keep up the good work.

I for one really appreciate the help

Thanks again

Doug
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