Finish flaked off
Q: I have hardwood floors that are old and very dry. I sanded the old finish off, which was spotty and flaking off, but some of the wood looks gray and discolored. Is there any remedy besides replacement?
A: If the finish is flaking off, then for some reason adhesion was not gained between the floor and the finish itself. It could be that this old floor was originally waxed and if most of that wax is not removed by sanding, then the only thing to do is wax again, after a full sanding. This is the only way to get rid of the gray areas, aside from replacing those boards. If there is a wax issue, you might also have better results by using a water borne finish. This is best left to a professional in your area.
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