Monster® roof and deck wash quickly restores heavily grayed and weathered outdoor wood surfaces. This product will remove gray wood fiber, failed wood stains, tannin bleeding, water stains, mildew, mold and discolored surface fiber from decks, fences, wood siding and log homes. Use to restore wood to its natural color and prepare it for recoating. This product will also clean a variety different of roof surfaces. U.S.A.
