Dear Barry, I recently discovered about 3 to 4 inches of standing water under my house. I pumped out the water and removed the plastic sheets that covered the ground so the soil can dry out. Once the ground is dry, should I spread lime over the surface to help prevent mold? And should I also reinstall the plastic sheets? --Steve Dear Steve, Mold prevention is not necessary unless you have moisture on cellulose materials. Wet soil will not support mold growth. Therefore, lime is not needed on the ground surface under your home. The purpose of the plastic membrane is to prevent ground moisture from evaporating and causing humidity and condensation in the crawlspace. If faulty ground drainage causes flooding above the plastic, then the plastic serves no useful purpose and does not need to be replaced. The primary concern in this case is the drainage problem. To solve this, you should have the property evaluated by a geotechnical engineer (drainage specialist) to determine the ...
by Brad Inman | on Mar 21, 2017
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