A. A shiny wood floor is a beautiful thing. Keeping it that way requires regular, gentle attention. Whether your floor is finished with wax or polyurethane, remember that water is its enemy. You ...

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Q. I had my hardwood floors refinished with polyurethane about six years ago. They still look lovely, but are worn dull in high-traffic areas. Can I just apply more coats of polyurethane? A.

After about 20 years, most hardwood floors start showing their age; scratches, dullness and discoloring are the most common signs that the wood is due for refinishing. Fortunately, the typical ...