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Old 02-23-2012, 11:37 PM   #1
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Latex on oilbased walls


I have put 3 coats of latex on an oilbased wall and have a peel mark---will I have to redo,by peeling off the paint?, or will it eventually settle?

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Old 02-24-2012, 04:06 AM   #2
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Latex on oilbased walls


settle?

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Old 02-24-2012, 07:08 AM   #3
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Latex on oilbased walls


Generally you can put latex/acrylic products over oil-based (doesn't work so well the other direction) but with any coating over anything you need to prep the surface to maximize the adhesion. And you need to use quality paint. If you tried to paint over a gloss finish without deglossing with chemicals or sandpaper you reduced the surface for the new paint to stick. If you used box store paint it has more water than nice paint store paint and it further reduced adhesion.

Alkyd primers are great equalizers and are often used when switching between oil and latex. Too late for you now but think about a primer layer for future projects. A high bond latex priimer would have been another good choice.

You are probably going to have to peel/sand off the part of the paint that is blistering and bubbling. Skim coat with drywall compound. Spot prime and repaint.
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Old 02-24-2012, 07:46 AM   #4
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Latex on oilbased walls


Not many details given. What brand of latex paint? Did you prep/scuff sand/apply bonding primer like Sdsester said? Did you wait the proper amount of time before applying those 3 coats? Is there any kind of venting, etc. that could be causing condensation/moisture issues inside the wall?
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Old 02-24-2012, 07:48 AM   #5
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Latex on oilbased walls


By the way, at this point, adding more coats is not going to fix the adhesion problem at this point.
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