Wood ReNew: Wood Cleaner and RestorerDescription Wood ReNew Per Carbonate Wood Cleaner and Restorer Wood ReNew is a cleaning concentrate for use on bare wood surfaces. A safe, effective cleaner it is the best product to use for removing UV damaged grey wood fibres. Wood ReNew will also help remove old worn finishes, mill glaze, mold, mildew and dirt from wood surfaces. Wood ReNew is not a maintenance cleaner for cleaning finished surfaces. Features Removes Dirt, Mold and Mildew Will Not