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Polyurethane under Brushing Lacquer Finish

A local paint company told my husband that you could use a polyurethane sand and sealer under a lacquer finish because the products were compatable and worked well together. I'm not an expert at refinishing but I've heard that the two products are about a compatable as oil and water. I'm confused!!! Are the products compatable??

A. Spruce
Re: Polyurethane under Brushing Lacquer Finish

It is possible, but not likely. Before you ever top coat one product with another you want to do a test for compatibility. Use a scrap piece of material and do a test of both products before you go at the piece to be finished.

Every time I've seen two dis-similar products interact it results in an "alligator" finish, that is to say that the top coat reacts with the base coat and results in what looks like an alligators skin.

Re: Polyurethane under Brushing Lacquer Finish

you would be much better off to use a spray can of laquer sanding sealer, it is dry enough to sand in about 15 minutes depending on the weather.

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