How to Seal Paint With Polyurethane
Polyurethane is the most widely used sealant for use after finishing or painting wood. It serves as a long-lasting lacquer that protects all the decorative effort put into a floor or a fine piece of furniture. Sealing up painted wood with polyurethane is a simple task, and something that should be mastered as part of any basic do-it-yourselfer's set of skills. Does this Spark an idea?
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Things You'll Need
- Duster
- Broom
- Polyurethane
- Paint brush
- Fine-grit sandpaper
- Hand sanding block
Instructions
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1
Wait at least eight hours after applying the last layer of paint before applying the first layer of polyurethane. For the best results you should wait roughly a week, but this is not always possible.
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2
Dust the furniture or sweep the floor of any dust or other debris that might have settled on it while you were waiting. Anything that is on the surface will be trapped in a transparent layer of polyurethane, and therefore plainly visible. That will ruin the finish.
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3
Apply a coat of polyurethane to the floor or furniture using a paint brush. Work in short, even strokes to create a smooth appearance.
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4
Wait eight hours for the polyurethane to dry. Return and inspect the surface for imperfections in the polyurethane lacquer. If there are any, gently sand them out with thin-grit sandpaper.
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5
Apply at least one more layer of polyurethane. Consider two layers to be the minimum, three to be normal, and four to be the sort of extra protection you want for painted wood that will be exposed to damp or wet conditions.
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