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Question DetailsAsked on 7/19/2014

How to get my painter to fix his mistake by painting my bathroom walls with water base paint over OIL base paint?

My painter said that sanding oil based walls and trims is good enough to paint latex or acrylic latex over it. I trusted him and now I see spots peeling off on the trim and walls. He keeps telling me that he will sand the spots that is peeling off and paint over it. I really do not want to deal with band aid for the period of warranty.

What is the best way to fix this mistake and how to convince him?

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1 Answer


Here are several fairly recent questions with answers on your issue FYI -

Clearly, oil over oil is preferable, but if the base coat was gloss or semi-gloss or eggshell, even it would require roughening up before a new coat. Typically with about 120 or 140 sandpaper using a sanding bloc ot get 100% coverage.

As you stand now, you pretty much have to strip the existing coat he put on at least down to the oil coat, then do proper prep from there. If the oil coat is peeling with the latex anywhere, then you have to strip to the plaster - though that could also mean he is off the hook if the oil is peeling - perhaps because it was put over a latex ? You have to do a bit of careful peeling off a few places to see just which coats are peeling off which.

As I noted in one of the referenced replies - I have found that certain acrylics just do not adhere to other paints, and latex I will never use except on bare drywall and drywall primer - just do not have the bonding needed. Personally, I use oil based paints or enamels wherever possible on interior surfaces.

You did not say how the wall was prepared - did he wash it with a degreaser like TSP after sanding too ? Should have, to remove oils, smoke, and the sanding dust. THen shouldhave let dry overnight before painting.

As for convincing him - start peeling it off everywhere it is coming loose, to demonstrate that it is debonded further than just where it is actively peeling. A peeling surfac eis not substandard just where actually peeling if happening in multiple spots - the entire surface(s) painted that way are substandard.

Answered 5 years ago by LCD

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