Can Mold Grow On Concrete? Mold Mold grows best on porous concrete that is damp and moist. It does not feed on the concrete itself, but rather on dirt and organic material caught within the nooks and crannies of the concrete. Over time, mold can grow and spread across the whole of the concrete. Left untreated, it can not only stain the concrete, but it can cause health problems for your family. Mold spores trigger headaches, respiratory problems and eye irritation in people who are sensitive to it. Causes Mold grows best in environments that combine high moisture levels, low light and poor air circulation. Mold spores are often present in the air, but without a combination of favorable conditions, they do not take root. Look for mold growing on concrete in basements and crawl spaces, areas that traditionally do not get much light and are at risk for high humidity in the air. A persistent leak that sends water trickling down a concrete wall or results in pooling water on a concrete floor can also encourage mold growth. Removal To remove mold growing on concrete, combine 3/4 cup of bleach with 1 gallon of water. While wearing gloves, soak a sponge in the solution and use it to wipe away mold. Clean the concrete where you can see mold, and then clean a 2-inch border around visible growth to remove any spores. Once all visible mold has been removed, rinse the area with water. Dry the concrete quickly using a fan or a dehumidifier. Considerations When cleaning with bleach, always work in a well-ventilated area to reduce your risk of experiencing eye or respiratory irritation from its fumes. While the bleach will provide some residual protection against mold, unless you fix the underlying cause the fungus will eventually return. Installing ceiling fans and dehumidifiers will improve air circulation and cut down on moisture. Repairing leaks so concrete stays dry also protects your home against molds return.
Posted on: Sun, 21 Sep 2014 04:32:41 +0000
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