Dirt in crawlspace
Last weekend I covered all the soil in the crawlspace with 4 mil black
plastic sheeting from Home Depot. It took about a day, including time
spent removing debris from the space (use a snow sled, works really
great for this purpose). I used 4 mil plastic. 6 mil might be
overkill, unless you put it in the areas where you might crawl more
often. I secured edges with large u-shaped staples from the garden
section at Home Depot.
Results were dramatic and almost instant: reduced humidity in the
crawlspace and in the house, reduced smell from the soil, no
condensation on the windows. Total expense was about $50.
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