painting oil based over latex?!! | This Old House - oil paint over latex primer

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oil paint over latex primer - How to Paint Over Oil-Based Paint with Latex | Today's Homeowner


Can an oil-based paint be used over a surface already painted with latex paint? The truthful answer to this question is that you shouldn’t paint an oil-based product directly over latex paint, but it can be done if a sealing coat is used to separate the layers.Author: DIY Staff. Oil based primer and latex paint - a match made in heaven? It seems to be a sort of an unwritten truth in the world of painting. So I was really surprised when I read about it over on Katie's blog. Do you ever read a tip on a blog and think, yeah, but does it really work? Let's find out! Meet my two partners in crime. Valspar Signature.

With the nearly total phase-out of oil-based paint in the U.S. in 2005, the question of whether you can paint latex over oil-based paint is even more perplexing. If a house is old enough, it is inevitable that it will have oil-based paint somewhere since latex paint wasn't introduced until the 1940s. Jul 19, 2012 · Earlier generation latex paints did not adhere well to oil. However, there are now self-priming acrylic paints which will go directly to oil. I often went over poor past latex jobs with a coat of heavy build oil enamel undercoater followed by a coat of oil enamel. The undercoater helped hide the "ropiness" of the latex and seal it.

You didn’t mess up, primer is formulated so other paints will adhere well to them, so it’s fine to put oil-based primer over latex paint then apply another coat of latex paint on top. Where you can go wrong is trying to paint over glossy oil-based trim enamel with latex paint. If you don’t sand and prime the oil-based enamel first, The. Hi! There's no inherent problem with applying an oil-based paint over a water-based or (latex) coated surface! Providing that the surface coated with the waterborne product is fully cured and not retaining any moisture of course. Although, I ca.

Maybe the difference is you know how to paint. What I have found is moisture gets under the primer and it damages it. But I have also used oil base primers and latex but I have used on bare wood or even painted wood that has been prepared. Apr 05, 2011 · NO oil over latex. Latex expands & contracts & oil does not, therefore oil will most likely crack/alligator if applied on top of latex. If using latex over oil, needs to be primed with either oil or latex primer. Shouldn't matter which primer, just that you prime to promote adhesion of topcoat.