Painted Latex Over Oil. How To Fix? - Painting - DIY Chatroom Home Improvement Forum

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Old 04-20-2011, 05:02 PM   #1
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Painted latex over oil. How to fix?

Hi everyone, I have a bit of a problem with my house, and I'd like some advise on how to go bout fixing it.

Before I knew to check older houses to see if they were originally painted in oil, I painted mine in latex and discovered later that all the frames (at least) were originally painted in oil. I've been here for 5 years, and the paint has never peeled per se, but every time we knock it with something (like moving furniture in and out of a room), it scrapes off the latex paint to reveal the original oil.

I now want to re-paint to sell, but am unsure what to do about the frames. I've been told by one painter that if I scrape what I can easily get off of the frames, patch them, and put a coat of cover stain over them, I'll be able to paint with latex without this happening again. Anyone know if this will work?

Any suggestions would be appreciated!



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Old 04-20-2011, 05:54 PM   #2
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Yes. If you want to make the transition from oil to latex you will need a good primer and coverstain is one of the best.


Latex Primer: Good for Drywall, that's about it.
Behr Paint: The plastic buckets are good, that's about it.
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Old 04-20-2011, 06:54 PM   #3
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You can put latex acrylic over oil based paint so long as you rough up the surface with fine grit paper. A good bonding primer will help.

You cannot put oil over latex though or you will be in trouble.
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Old 04-20-2011, 07:00 PM   #4
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Thanks for the reply's!

My concern is with covering the latex that won't easily come off, and covering IT with the cover stain. I'm trying to save myself scraping ALL the latex off the frames. Will the cover stain cover and seal the latex which is over the oil?

Thanks again, I've been wondering about this for a long time.
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Old 04-20-2011, 07:59 PM   #5
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it is what it is , yea you should strip off latex ,somebody painted latex over oil,i would use cover stain oil ,the oil will not activate latex that's on their .then you could use a latex top coat .i just done this to a house with same problem and it fine .not perfect but fine.also i was just thinking buy a qt.of s/w pro classic waterborne alkyd and brush it on trim with out priming this paint is a very good bonding paint .do a sample let dry over night and see how it grips .ps. before sanding any old oil base make sure it is lead free
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