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what kind of paint?? How long has the original paint been on there?
Many times, the "vehicle" (solvent) in the polyurethane will cause the existing paint to curdle or wrinkle if it is a water based/latex paint. If it has been on there a long time though, you might be able to get away with it.
See if you can test a small spot that is not exposed or visible first. Even if it "tests" OK, it still might have a tendency to pull the existing paint up when you get it on a large area, so be careful
What else can I help you with?
Can polyurethane be sprayed over an item painted with acrylic paint?
Yes, both oil and water-based polyurethanes will adhere well to an item coated with acrylic paint. If it is a polyurethane paint, dull the surface prior to painting. If it is a clear. realize that that oil based polyurethane will impart an amber hue while a water based polyurethane is crystal clear and will not affect the color.
Can you put polyurethane over eggshell paint?
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
Can polyurethane go over oil base paint?
Yes, as long as the polyurethane is oil-based.
Can you put polyurethane over waterproof paint?
Yes, however clear polyurethane has a yellow cast that will affect the color of the paint. Most water based clears are crystal clear, very durable and can be used in place of an oil-based clear coating.
Can you paint over polyurethane with Behr paint with primer?
If you use a quality primer like Kilz or Bullseye, you should be OK.
Can you put clear polyurethane over paint for added protection and durability?
Yes, you can apply clear polyurethane over paint to provide additional protection and durability.
Can you safely spray polyurethane over paint for a durable and protective finish?
Yes, you can safely spray polyurethane over paint to create a durable and protective finish. Make sure the paint is fully dry before applying the polyurethane, and follow the manufacturer's instructions for proper application and ventilation.
Can polyurethane be sprayed over an item painted with acrylic paint?
Yes, both oil and water-based polyurethanes will adhere well to an item coated with acrylic paint. If it is a polyurethane paint, dull the surface prior to painting. If it is a clear. realize that that oil based polyurethane will impart an amber hue while a water based polyurethane is crystal clear and will not affect the color.
Should I put polyurethane over paint for added protection and durability?
Yes, applying polyurethane over paint can provide added protection and durability by creating a tough, clear topcoat that helps to resist scratches, stains, and moisture.
Is it possible to apply polyurethane over paint?
Yes, it is possible to apply polyurethane over paint as a protective coating.
Can I use polyurethane over paint for a protective finish?
Yes, you can use polyurethane over paint as a protective finish.
Can you put polyurethane over eggshell paint?
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
Can I apply polyurethane over paint for a protective finish?
Yes, you can apply polyurethane over paint to provide a protective finish.
Can you put polyurethane over paint for a durable finish?
Yes, you can apply polyurethane over paint to create a durable finish.
Do you apply polyurethane over paint for a protective finish?
Yes, polyurethane can be applied over paint to provide a protective finish.
Can I apply polyurethane over paint for added protection and durability?
Yes, you can apply polyurethane over paint for added protection and durability.
Can I use polyurethane over chalk paint for a protective finish?
Yes, you can use polyurethane over chalk paint as a protective finish.
