Peeling Latex over Oil Base Paint.... help!
tinker_2006
12 years ago
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sloyder
12 years agosmcdani6
12 years agoRelated Discussions
painted latex over oil paint -- please help
Comments (12)Sorry! I should've stated that better! You can topcoat most primers in 2-3 hrs. Dont' leave a primer unpainted for more than a month. They get too dried-out and brittle. I should've said... >>> Once the primer and paint are applied, the adhesion process of all coats takes a while! You don't need to sand out ALL the gloss. * Just a moderate "dulling" of the existing sheen. * It's subjective...but I'd keep sanding if I could easily see a reflection. * I'd maybe drop down to 100-grit for the 1st pass. Then, a quick 2nd-pass with ~150-grit. * If you're near a C2 dealer, the C2-SAP (Sandable-Acrylic-Primer) is great for this kinda work. This is neat for REAL fussy applications. After priming, this primer sands nicely for extra-smooth topcoats. Faron...See MoreHelp re. Latex Paint (BM Natura) over Oil-based Paint on Trim
Comments (5)I have also gotten conflicting advice, similar to what you have heard. I'm no expert, but I'll tell you what I ended up doing which seemed to work out pretty well, at least so far. We bought a ~100 year old home six months ago that we're just getting around to painting now, after rewiring. Most of the trim is painted with what seems to be a high gloss oil-based paint, and a much of it (especially doors and baseboards) is quite dirty. The only trim I've painted over so far is a few doors, but I'll be starting on the rest of the trim in a couple weeks. For the doors, I scraped off just whatever bits were already flaking off, then washed them really well, and then used "liquid sandpaper". If your trim is glossy you may want to use liquid sandpaper to remove the gloss. It's not a paint stripper, so you won't be left with messy globs of dissolved paint. It just removes some of the sheen so that the new layers bond to it better. Then I primed with an oil-based primer. I have used both latex and oil primers in a previous home, and the oil primers always seem to bond better. Then painted with Regal Select Semi Gloss. I haven't tried Natura, but I might... Anyway, I would recommend liquid sandpaper rather than sanding as long as the old paint is basically well-bonded to the trim, then oil-based primer, than latex paint. I'm curious what suggestions other people have.....See MoreHave Peeling Latex over Oil Want to Repaint
Comments (2)You have to get off all the latex. It will continue to come off on its own unless you remove it all now. It's a huge PITA; that's why 75% of paint work is usually prep. If you then sand and prime w/oil primer, you can apply any finish coat you wish. Casey...See MoreTrim has latex over oil based paint, want to repaint, how?
Comments (2)I don't think it is worth it to strip the paint in your entire house just so that you can convert back to oil. Stripping paint is a very labor intensive and messy job. Paint will chip off in high traffic areas with latex and oil based paints. You should remove what is loose/not ahdered by scraping and sanding and then repaint with a 100 percent acrylic paint. Many DIY painters do not sand well enough and that is why the paint may not be adhered in some areas. You really want every inch of the trim to be very dull and clean before applying any paint to it....See Moretinker_2006
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