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Old 03-13-2009, 09:16 AM   #1
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Latex over Oil -- please advise


Someone painted latex over oil in my house on all the trim, woodwork, and doors. Can I seal it with Zensser Guardz and then paint again with oil????

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Old 03-13-2009, 09:17 AM   #2
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Latex over Oil -- please advise


Why? oil primers are used often but Latex is much better for any exterior work

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Old 03-13-2009, 09:35 AM   #3
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Latex over Oil -- please advise


This is interior woodwork. Will Zensser Guardz seal the latex over oil? Then I can paint the wood with what I want.
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Old 03-13-2009, 12:45 PM   #4
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Latex over Oil -- please advise


I wouldn't use Guardz - to the best of my knowledge Guardz is really only used for torn drywall. I would use 1-2-3 if you are going to use a Zinsser product (which are great products). The thing that scares me though is that you already put the latex on top of the oil - remember, your primer is only going to work as well as what you "attach" it to. By nature, as the latex paint starts to expand and contract it will loosen off of the oil, and might even take some oil with it. How much trim are we talking about here? Do you see the latex coming off now - is that why you want to repaint? If you scrape something on the dried latex paint is it coming off easily in sheets?? If the Oil paint was sanded first and good acrylic latex used you might have a decent shot of it holding up..

With that being said, If it was in my house and this needed to be repainted- first I would beat the person that did it - second I would sand all of the trim down as much as possible (making sure of course there is no lead paint exposure), then I would prime with 1-2-3 and topcoat with a latex trim paint. You may even want to consider a product like MadDog primer depending on the condition of surface - Mad Dog sort of acts like a glue and keeps everything in it's place nicely.

good luck!
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Old 03-13-2009, 02:07 PM   #5
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Latex over Oil -- please advise


Just curious. Why do you want to paint the oil over the latex.
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Old 03-13-2009, 04:43 PM   #6
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Latex over Oil -- please advise


Quote:
Originally Posted by bbirdnuts View Post
Someone painted latex over oil in my house on all the trim, woodwork, and doors.
Certainly a recipe for disaster, but it can hold
Are you having any issues with alligatoring, failure, or chipping?
The answer to this would mean a different approach to the proper fix
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Old 03-13-2009, 05:01 PM   #7
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Latex over Oil -- please advise


I really don't recommend making the change one way or the other. Oil usually sticks to oil with no problem and Latex sticks to latex with no problem. I did work for a company one summer that insisted on Semi-Gloss oil on all trim reguardless of what was there before, but we did give everything a coat of oil primer.
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Old 03-14-2009, 07:17 AM   #8
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Latex over Oil -- please advise


Will Zensser Guardz seal the latex over oil?

NO
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Old 03-14-2009, 02:57 PM   #9
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Latex over Oil -- please advise


Are you asking this question because it is peeling? If so, then the only solution is to scrape off the failing paint, prime with a bonding primer, and topcoat with the quality paint of your choice (latex or oil is fine.)

If it isn't peeling, then don't worry about it.

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