Oil-based and water-based polyurethanes are two versions of the same type of protective finish. Whether refurbishing stair railings or finishing floors, trim, or doors, learn the differences between water-based and oil-based polyurethanes and which one to choose.
Polyurethane Finish
Polyurethane is a clear, thin liquid coating that protects wood and enhances the wood grain. It is similar to varnish, shellac, and lacquer, except that polyurethane is polymer-based.
Water-Based vs. Oil-Based Polyurethane: Major Differences
Water-Based Polyurethane
Pros
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Odorless
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Water clean-up
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Flexible finish
Cons
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More coats needed
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Less durable
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Touch-ups necessary
Water-based polyurethane uses water, rather than solvents, as the base for carrying the polyurethane solids.
Like oil-based polyurethane, water-based polyurethane can...
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