Excess moisture in your garage floor can cause a host of significant problems. These problems include musty odors, wet insulation, bacteria growth, insect infestation, and mold growth. Moreover, some of these problems, such as insect infestation and mold growth can lead to significant health problems. Fortunately, there are several things you can do to fix a moisture problem in your garage floor.
Things You'll Need
- Splash block
- Extruded polystyrene, rigid fiberglass, or urethane foam insulation
Install a splash block under the downspout of your gutter. Splash blocks, available at most home supply stores, are made of either plastic or masonry concrete. They are designed to conduct downspout water away from your home. This will help prevent moisture from seeping into your garage floor.
Place insulation around the perimeter walls or footings of the garage. Extruded polystyrene, rigid fiberglass, and urethane foam work best to keep moisture away from your garage floor.
Carpet the floor. Installing carpet over a concrete floor will serve as a moisture retarder. Be sure to wait until the concrete is dry before installing carpet.
Run a dehumidifier. A dehumidifier removes moisture from the air, thus keeping your garage floor dry. The Environmental Protection Agency recommends that you keep the relative humidity between 30 and 50 percent to avoid problems with excessive moisture.
Eliminate water leaks. Excess moisture in your garage floor is often a symptom of a water leak. Check for broken water pipes below the slab and in the walls, as well as roof leaks.
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