removing polyurethane spots from veneer

juliap574April 5, 2010

I have a dining room table I purchased from a major retail store. It is a dark wood table with a thin veneer on top. After several months the stain began to chip so I covered the chips with a stain marker. I wanted to seal it and my hardware store salesperson told me to spray polyurethane. I test the nozzle outside and it seemed to work fine (even) but when I sprayed it on the tables it was splotchy. Now my table has very noticeable dots of polyurethane all over it. What is the best, if any at all, way to removed the dots or minimize them? I saw 0000 steel wool cloths.....

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"What is the best, if any at all, way to removed the dots or minimize them?"

Apply another coat of finish more uniformly.

    Bookmark   April 5, 2010 at 4:15PM
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> my hardware store salesperson told me to spray polyurethane.

Probably not the most brilliant idea.

Not seeing it, I'd probably recommend scraping off the spots. If you don't have a finely tuned cabinet scraper, get some utility knife blades, dull the corners and hold them between your thumbs and index fingers. Tilt the blade about 10 degrees from vertical away from you and push lightly with your thumbs. You might need to adjust the angle a bit forward or backward to get a good cut.

Then using a sanding block and 400 grit sandpaper, lightly dull the whole surface. Wipe off the sanding dust with a cloth dampened in mineral spirits. Wipe on another THIN coat of polyurethane, either a canned "wipe on poly" or regular poly thinned 50-50 with mineral spirits. Use a lint-free cloth or a blue shop towel. Did I say THIN coat?

A better choice would have been to apply lacquer, as that's almost certainly what's on there now. It will bond to itself creating "one coat" of finish. But since you've applied the spray poly already, it's too late for that as the lacquer will be too "hot" for the poly and can blister it up.

    Bookmark   April 5, 2010 at 6:10PM
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