Reply by LesB

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Posted on What finish to use?

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2625 posts in 4326 days

#1 posted 08-05-2020 10:18 PM

I’m a bit confused by the “painting and sanding again” part of your opening sentence but based on the picture I would recommend a water based polyurethane. It drys clear but goes on milky looking so any runs or drips can be easily spotted and corrected. Preferably use one rated for use on floors which will be more durable. At least 3 coats, 4 would be better, sanding lightly between coats with 320 grit sand paper. After the final coat has cured for a couple of weeks you can apply a carnauba paste was with a white 3M pad and buff with a soft cloth for a nice finish.

If you are brushing on the poly I suggest you do it when the ambient temprature is between 65 and 75 degrees. Cooler than that and drys slow enough for dust particles to settle in the finish. Warmer and it drys so quickly that it may leave brush stroke ridges that will need to be sanded smooth. Use a good quality brush.

-- Les B, Oregon

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