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sgtpeeper

07:32AM | 06/15/03
Member Since: 06/02/03
14 lifetime posts
Bvbrush
Oh, what the previous owners of my house have let for me. I thought I was going to have a nice, simple interior repaint. Unfortunately, they repainted some of the trim with latex over oil, and obviously no primer. I started sanding and some of it started sheeting off. What's strikes me as odd though, is in some places the paint is sticking very well. I'm wondering if I can safely sand, prime, and paint over the latex paint that is sticking without the threat of it peeling later. It's been at least three years since it was painted. If it was going to peel, is it fairly reasonable to assume it would have done so by now? Of course, I'm removing all the peeling paint.

Thanks a lot for any help, and thanks to all who have answered my questions in the past.

MrPaint

07:33AM | 06/15/03
Member Since: 02/03/03
196 lifetime posts
sgt - best to take it all off - I know it is a pain - but it is really the best thing to do...

Mr. Paint

sgtpeeper

04:09PM | 06/18/03
Member Since: 06/02/03
14 lifetime posts
Well, I've been taking the paint off in various ways. Today I tried some Citristrip on a small piece of moulding. The latex bubbled up immediately, while the oil has stayed put for now. I'm wondering if I can use the Citristrip long enough to take off the latex, remove it, wash everything, and then safely prime/paint over the oil-based paint. Anyone know if the stripper will deteriorate the oil-based paint such that this is a bad idea?

Thanks!

5slb6

05:14PM | 06/18/03
Member Since: 07/28/02
1356 lifetime posts
I would scrape and sand off the loose paint and then remove the remaining paint with GOOF OFF which will remove just the latex and not harm the oil based paint.

retisin

07:04PM | 06/18/03
Member Since: 05/19/03
457 lifetime posts
If you decide to go the route with the stripping agent you are working with,even if it is left on to long,it'll just eat to the bare wood which may leave a high spot in your paint but I doubt it will even be noticeable.If this is working for you and your happy with doing it like this continue on.
Nothing is going to happen when you go to reprime and paint like you said you were going to clean up the trim before you do the next steps anyhow.

sgtpeeper

05:51AM | 06/19/03
Member Since: 06/02/03
14 lifetime posts
Thanks for the replies. I originally tried Goof Off, and it works great for cleaning up latex left over after scraping and sanding. But there's so much to scrape and sand, and there are some intricate areas that I don't want to gouge with a scraper, so I've been trying to find an easier way. I've removed a lot with my overpriced hair drier, aka heat gun (being careful not to use it in the presence of paint strippers or their fumes), but that starts getting a little scary when I have to get near drywall. Other than that, it's worked great. My piece of moulding I that I put Citristrip on has been sitting outside... that stuff has indeed gotten down to the oil-based paint, and all of the paint comes up quite nicely now.

That's my story. Hopefully this may help someone else later on. :-)

BTW, what would you do if someone painted latex over oil on drywall? Would you have to replace the drywall? Hopefully I won't be having this problem anytime.

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