Sealed and waxed floors may become stained if water sits on their surface for more than a few minutes. Here's how to repair the damage. To remove a smoky white haze or a white spot, buff the finish with a soft cotton cloth and a very mild abrasive, such as whitening toothpaste, autopolishing compound, or tobacco ash mixed with mineral oil, until the stain disappears (see A). How to Fix a WaterDamaged Wooden Floor. Plumbing leaks, fire hoses and the upstairs neighbors overflowing tub might pose problems for porous wood floors and substructures. Whatever the cause, water causes warping, and can trigger mold and mildew growth that can ruin wood. Major flooding creates problems in foundations and walls Rinse the mop with clean water, wring out excess, and damp mop the floor to remove the cleaner. Wipe up excess water with a clean, dry towel because standing water will damage the floor. You can also use boiling water and two teabags to clean hardwood floors If the wood is heavily affected by mold and mildew, it may need to be replaced. Otherwise, clean your moldy and mildewed flooring like this: Tools Needed: Stiff Brush or Broom. Manufacturers and industry experts advise against cleaning hardwood floors with water because wood naturally expands when its wet and can cause your floor to crack or splinter. Cleaning Hardwood Floors with Water. When using water, or any liquid base, to clean wood flooring, follow these tips: Never leave standing water. If water spills on a wood floor, immediately wipe it up with a clean cloth. When water sits on top of hardwood floors, it can permanently ruin the hardwood as the wood will absorb the water through its pores causing warping and discoloration. So, if you have a flood or water damage (or even just a spill) on your hardwood flooring, youll want to remove the water and dry your floors as quickly as possible. The damaging effect of water on wood builds over time. By the time you notice a change in your wood floor, the water has already hurt the floor. One of the first signs that water has damaged your floor is cupping of individual planks, or crowning of several planks, creating a hump in the floor. Mar 15, 2019Determine the finish of your hardwood floors. Surfacesealed floors are stain and waterdamage resistant and easiest to clean: just sweep, mop and you're done! Penetrating sealtreated and oiltreated floors: A penetrating seal or oil finish will soak into the wood grain and harden. This type of floor must be pampered and protected with liquid or paste wax. Standing water and overly wet mops shoot moisture between boards and through tiny tears in the finish that form when wood shrinks and expands with the weather. Over time, moisture can damage the wood. Save it for tile, linoleum, and vinyl. BROOM DUSTPAN Regular soft sweeping does the job. How to Repair a Water Damaged Wood Floor. You can test some of the good wood in a dry part of the house to determine its EMC (equilibrium moisture content) and then measure the EMC where the flooding has occurred. Keep records of these figures with the dates. The hardwood AND the subfloor have to come back to the normal EMC before you allow anyone to resand the floor.