![]() ![]() Also consider installing a dehumidifier (about $230 for a heavy-duty unit that will process 50 pints in 24 hours), ideally in a spot near easy drainage. If you have a full basement, air it out by opening windows and running fans. If moisture forms on the foil underside, water is seeping in from outside. If moisture forms on the outer foil face, water is condensing from the air. To tell it from the others, tape foil over damp spots and check it after a day. Do You Have a Condensation Problem?Ĭondensation is easy to confuse with runoff or subsurface water. In crawl spaces, condensation encourages wood rot and insect attack, and can buckle and delaminate plywood. It happens when moist, warm air hits cool foundation walls or uninsulated cold-water pipes, dampening carpets, rusting appliances, and turning the basement clammy. | Tom MooreĪlso called sweating, condensation shows up as water droplets, wet spots, or puddles on basement floors and walls. It should sit on a gravel bed and be wrapped with landscape fabric that holds out silt. PVC pipe running from downspouts can disperse the water gathered from the roof. Learn how to fix a wet basement with our solutions below. The key is to determine which of the three major problems you have: condensation, runoff, or subsurface seepage. You can solve most wet-basement problems yourself for significantly less than you’d pay a professional. But even if you’re knee-deep in water, don’t call your banker yet. Hiring a pro can cost anywhere from a few hundred dollars to many thousands. How Much Does It Cost to Waterproof Your Basement? Once the water accumulates around your foundation, it works its way inside through cracks, joints, and porous material. In tougher cases, the problem is rising groundwater, which may even be fed by an underground spring. For example, a house with a 1,500-square-foot roof sheds 1,000 gallons of water for every inch of falling rain. ![]() The water in the basement most often comes from rainfall and melting snow. homes have wet basements, and 38 percent run the risk of basement mold. The American Society of Home Inspectors, based in Des Plaines, IL, estimates 60 percent of U.S. If you have a soggy basement, you’re not alone. Even if you have a crawl space or just use your basement for storage, a simple case of condensation can buckle hardwood flooring on the level above and spawn harmful mold. If your basement includes finished living space, any kind of moisture can ruin carpeting, drywall, and framing. ![]()
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