2- Water damage. Time is of the essence when it comes to water damaged hardwood floors â the moisture, temperature, and dust layer beneath a flooded wood floor can provide an ideal environment for mold â¦ Additionally, excess moisture can promote the growth of mold and bacteria, weakening the wood and creating health hazards when they multiply. Mold can live on your hardwood floors whether they are new or old. Pull up all flooring with mold underneath. Last January, I was commissioned by a flooring manufacturer to inspect a prefinished 3-inch engineered oak floor that had developed dark spots. Signs of Mold under Hardwood Floors As mentioned above, mold usually appears as a discoloration, stain, or a fuzzy growth on the surface of a wood floor. As a hygroscopic material, wood will typically absorb or let off moisture until it reaches an equilibrium with its environment. Typically, mold will grow and spread through the air using mold spores. How to Clean Surface Mold from Wood Floors. Mold produces pungent musty smell in your home, and if you smell the musty, pungent, earthy odor, you might have mold under the hardwood floor. You should be wearing clothing that you can throw out in the garbage after or that you can dry clean. The following are some signs of mold under hardwood floors affecting your health: Itchy eyes Frequent headaches Watery eyes Sinus Issues Problems focusing Fatigue You don’t want to bring mold spores through your house. Waiting too long will only increase the chances of the mold spreading throughout your property. Mold is also known to lower the immune system. Most subfloors are made of plywood or OSB (oriented strand board), a type of engineered wood. Dry visible water immediately after floors get wet. Below is a list of precautions for reducing the amount of moisture under engineered hardwood floors, thus lowering the potential of mold growing back. A pipe bursting can generate mold. Sand in a circular motion, and only sand the affected area. Often mold does not create visible growth or odor. If you have mold in your property, we first suggest calling the number on our website to have a moisture test done to determine where the moisture is coming from. Because wood is a mold-favorite, it can get on the subflooring and floor joists, spreading under the surface. Unfortunately, if this is the case there is no topical cleaning solution or disinfectant that is going to work. Waterproof your hardwood floors and/or crawl spaces. You also need to wear a proper respirator mask. You can get mold in a basement from leaks and floods. It can occur in both old and new buildings. You want someone with experience with mold removal from hardwood floors. Once the leak was fixed and the floor dried, I noticed that a type of black-green mold had developed on the affected areas: the source of the dusty â¦ Thickness: 3.1 mm; Density: 11.5 lbs./ft. Mold can live on your hardwood floors whether they are new or old. It may sound strange to add a liquid to the floor â¦ You want to prevent future problems, too. There are many interpretations of the words âstainâ or âdiscolorationâ in the wood flooring industry. Businesses use hardwood floors in their offices to create an elegant and sophisticated atmosphere while homeowners use it to create smooth, easy-to-clean surfaces that (when properly sealed) resist staining and look beautiful. If you want to do it yourself, be sure to take all the necessary measures to remove the mold in a safe way that won’t harm you or your family. Solid strip or plank can be laid directly over a sleeper system, but engineered wood flooring less than 3/4 inch thick or solid plank wider than 4 inches requires a wood subfloor over the sleepers. Once youâve removed the mold, polish the affected area with 200 or 250 grit sandpaper until smooth. Finally, removing the affected materials is the next step, and depending on the damage done a full replacement may be required. Sometimes the health risk of removing mold is so high that you have to ask yourself if it is better to hire a professional to remove it. These symptoms will vary depending on the amount of time exposed and the degree of the mold. Whichever method you use for an additional subfloor, allow 3/4 -inch expansion space at the walls and vertical obstructions. Tip. Sometimes mold exists simply because the indoor relative humidity is exceptionally high. How Much Water is Too Much Water damage doesnât â¦ themoldhound.com also participates in other affiliate programs. Pressing with screwdriver. While surface mold is not difficult to clean, it is crucial to ensure that all affected areas are cleaned properly to ensure that the fungus does not return in â¦ Engineered hardwood flooring in the kitchen is beautiful, and can cost way less than traditional hardwood. Mold grows on organic materials in environments with high humidity or trapped moisture. The rate of which mold grows depends on the conditions. If the amount of mold is very small, chances are that the symptoms will not be serious. When moisture accumulates in the house and has no way of being expelled, often you will see mold growth. When you breathe in mold mold spores, it can create a serious health issue. Often mold is the result of water or moisture entering into the house. Write CSS OR LESS and hit save. The definition of stain taken from the USDA Wood Handbook is âa discoloration in wood that may be caused by such diverse agencies as microorganisms, metals, or chemicals. After drying the floor, you need to sand off the finish with a hand sander so you can apply wood bleach; use a flooring sander if the damage is widespread. Cleaning the mold effectively is not good enough. If you have any family members with asthma or respiratory problems, it is best to hire a professional. The people most affected by mold are children, pregnant women and the elderly. Check to see if your insulation is still in good shape, be it insulation in the wall, under a floor, carpet, etc. 2. If you’ve got mold, or you are experiencing some of the health symptoms of being exposed to mold, a mold removal expert will be able to assist in diagnosing and fixing the problem. Engineered hardwood flooring refers to the product made out from a core of hardwood or plywood of about three to twelve layers which are pressed together by means of cross layering and gluing. After you have removed the mold in your wood floors, you want the room to air out before using it. It is important to act on mold rapidly because it is harmful to your health and it can spread rapidly. Wood flooring (laminate, solid hardwood, and engineered hardwood) will expand and contract due to temperature and humidity conditions. 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