Parquet or wooden flooring with damaged by excessive water leakage, flooding, aircon leakage, pet's urines, toilet water seepage and window leakage. It will require removal and replace with new parquet tiles or wooden or timber strips before sanding. Restore through proper sanding and polishing using professional sander machine. Apply new flooring varnish protection coating. ( In some cases where severe flooding and water moisture trapped underneath parquet flooring, it is recommended to deploy industrial dehumidifier system to dry up the water prior to sanding. )