Quote:
Originally Posted by gr8fl4porsche
If the trim is properly cleaned and sanded, no primer is necessary. The right water based topcoat will adhere just fine. I am not familiar with CA products but see if SW in CA carries Solo. Comes in a variety of sheens and bases, flows nice and sticks like glue.
Lots of people will tell you that priming is necessary. If you believe them, try a sample first. Try with and without to see for yourself.
Clean, lightly sand, apply primer or finish, let dry for a few days and perform an adhesion test.
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Water based paint right over oil you are suggesting?