The vast majority of wood floors around today, whether they were finished on-site or are factory-finished, have some sort of urethane-type finish. For those finishes, a cleaner recommended by any major wood floor finish or wood floor manufacturer should be just fine. A safe bet is to stop by a local wood flooring retailer and find out what they recommend and sell for use on wood floors. Not all maintenance products that are labeled for use on wood floors are recommended by major finish and wood flooring manufacturers. (In fact, some may even void your floor’s warranty.) For one reason, see below.