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Mold is never good in a crawlspace

Posted by grasshopper on February 17th, 2003 12:39 PM
In reply to Mold is not all bad by Moderator, Steve on February 16th, 2003 05:54 PM [Go to top of thread]

High relative humidity is what mold needs to grow. Get a good % relative humidity meter and monitor the crawlspace. Plus 60%RH grows mold. The %RH goes up when it is wet and warm outside, because moisture enters from outside. When the %RH goes to +70% RH, close the vents and the %RH will decline. If the %RH is still above 60%RH, get a dehumidifier. 50% RH is perfect for storage and no mold. This requires closed vents and 50 pints of dehumidification per 1,000 FT^2 of space.

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