Hi i have just taken on a cleaning contract and the last company have left the wood floor in a very bad way, no polish or maintainer on it for a long time, just soaked it with water 7 days a week, which has made the boards lift. i know there is not a lot i can do about that but i wonted to know a good way to get it looking good again and what polish or chemical i should us. its cleaned 7 days a week. many thanks.