Seal your floors every eight to 12 months, but it'll be more frequent, every six months, if you are using a wax-based sealer. Avoid wearing shoes on your marble, as they track grit and dirt into ...

Q–When I was applying a polyurethane finish to my bedroom floor, some of the urethane spilled onto a marble slab that separates this floor from an adjoining bathroom floor. I want to remove it ...