crawl space - moisture problem
The complete floor should be covered. It sounds like you may have poor
drainage and water is getting in. You say the mold is near a wall. Use
your moisture meter to locate the water when its raining, 28%
moisture in wood is caused by water leaking not humidity. Fix your
leaks and you wont need the fans,, Im sure you are spending 40 - 70 a
month to run them.
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