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paint drying with wrinkles
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acevedor2:
A couple of likely causes:

1.  You had contaminants on the wood - oil, chemicals, etc.  If you didn't sand thoroyghly the surface and use a good primer like KILZ, that is most likely the cause.

2.  If you did sand before painting and use a primer, then you likely put too many coats or too much paint on the wood without allowing it to dry completely.

One last possibility, though rare, is that you got a bad can of paint.  Most likely, it was 1 or 2.
bkenobi:
Yup, looks like a contaminated surface to me.  The steps for a good painted surface are simply:  Sand, Clean, Prime, Sand, Paint, Sand.   Some paints don't like being sanded, so make sure you use one that does sand or else you'll have to skip the step and take whatever finish you end up with (same with paint).
shatteredzman:
I put 3 coats of primer on the MDF and let it all dry over night before I started with the black. After it dried over night I sanded it with 400 grit sand paper and cleaned it with a paper towel and by hand. Since nothing I seem to do is fixing this I will sand it down completely and give it another try today. I did notice that I could see an oily shine in this can of paint that I did not see in any other can.
BobA:
Sounds like a bad can of paint.
mvsfan:
any kind of grease or wax will spoil a paint job and cause it to wrinkle. this sounds like your problem. anyone painting something this big should always have a gallon of autobody grease and wax remover on hand. this is the stuff that the pros use to clean cars before primer or paint. any ICI body shop supply store sells it.

Thanks.
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