The crawlspace under your home can be a breeding ground for mold. Taking the following steps can keep it from happening:

• Make sure the crawlspace has plenty of ventilation.
• Fill in any low spots in the crawlspace with sand.
• Cover the ground under the entire crawlspace with a layer of 6 mil or thicker plastic.
• Put a layer of sand on top of the plastic to hold the plastic in place and absorb any excess moisture.

Further Information

• How to Solve Moisture Problems Under Your Home (article)
• How to Keep Water from Damaging Your Foundation (video)
• How to Prevent and Remove Mold (article)

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2 Comments on “How to Reduce Mold and Moisture Under Your Home”

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1. Larry Says:
   June 15th, 2009 at 4:15 pm

   Another solution would be to install heavy 20 mil plastic up the wall, fasten and seal it to the top of the foundation. Run the plastic along the ground and seal every seam that overlaps the ground and wall with tape. Then seal your vents and condition the space with existing HVAC or from the upstairs air. This will convert your crawlspace into a clean, healthy environment. If standing water is a problem, a drainage system may be needed prior to installation.

2. Jared Says:
   August 25th, 2010 at 2:16 pm

   Great video. Another solution would be to install heavy plastic in your crawl space, and encapsulate to ensure that your sealing off unwanted moisture.

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