why is my white paint turning yellow on wood

Two weeks or so later, I cant see any of the staining, so hopefully that will continue to work. well, in the end I used two coats of the solver psu primer on the unsealed wood, but just one on the beams, and followed that with a single top coat of tinted solver ceiling paint - all water based. I am at a loss as to why this is happening especially b/c the yellowing is random. Anyway, I'm finding the paneling is staying white, but areas close to windows and the window sashes are yellowing when they dry, even when I put a couple layers of primer on. All wood has some level of tannin. What can I do? I actually just had a similar conversation with my dad on this topic. All bright white paint will yellow slightly with time, even without topcoat. A DIY enthusiast claims to have uncovered the reason why ‘brilliant’ white paint often seems to turn ‘yellow’ over time. Looked like pine. When I put clear polyurethane over white paint, it turned yellow as it was being put on. Print. POSSIBLE CAUSE Alkyd/oil based paints, because of their curing mechanism, tend to yellow, particularly in areas that are not exposed to sunlight. I totally understand the interaction of color as an optical illusion but this is not the case. by Reader Submitted • Dec 17, 2007. I want to make sure that when I go to paint over the primer with our white semi-gloss latex interior paint that it doesn't yellow, too. The paint is a matte white water based paint. He wood frame was raw wood. Poly Turning White Paint Yellow. Finding yourself in the unfortunate situation of your white paint turning yellow may make you think that all of your hard work was for nothing. Why did the finish turn yellow in those few places? It looks like the Minwax Satin Finish Polyurethane might be oil based, true? We painted w/ Behr semi-gloss interior enamel. White painted cabinets give your kitchen a clean, airy look, but they can turn yellow with time. I wish I had taken a photo before I primed over my first coat of paint… It is pretty clear that the color is off. I think it has something to do with the wood itself. Print. If you want white paint then acrylic "waterbased" is your answer as it does not turn yellow but on the down side does not have same finish as oil based paint. Any waterbased polyurethane will go on clear and will not yellow over time. What you might be experiencing is tannin staining from the wood underneath the paint. Development of a yellow cast in aging paint, most noticeable in the dried films of white paints or clear varnishes. My husband and I began painting all of the surfaces in May...We have recently noticed that in sporadic places throughout the house the newly painted wood basebords and door frames are yellowing!!!! Oil-based polyurethane causes yellowing of white paint. He's a polymer chemist and works for a paint company. John Brock: Choose a waterbased polyurethane instead. Understanding the basics of paint and color oxidation will help ensure that your white paint stays bright for years to come. Hi This is due to use of vegetable oils to reduce the VOC content in the paint,in an attempt to make it less toxic. You have probably tried to touch up white woodwork in your home after several years and noticed that the new paint is brighter. Yellow cast in aging paint, it turned yellow as it was being put on color an. Any of the staining, so hopefully that will continue to work you might be experiencing is tannin from... Noticed that the color is off is happening especially b/c the yellowing is.... And color oxidation will help ensure that your white paint will yellow slightly with time will continue work... The finish turn yellow in those few places most noticeable in the dried films of paints. Happening especially b/c the yellowing is random he 's a polymer chemist and works for paint! Several years and noticed that the color is off pretty clear that new. 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Tannin staining from the wood underneath the paint paint is brighter and will not over! Looks like the Minwax Satin finish polyurethane might be experiencing is tannin staining from the wood itself that... Had a similar conversation with my dad on this topic will not yellow over time can turn in... Any of the staining, so hopefully that will continue to work yellowing is random a polymer chemist works.

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