Crawl Space Vents

2 responses

  1. Lucy
    August 8, 2012

    During the rainy season we have a lake under our home in the crawlspace. My home has musty smells and high humidity year round. We are thinking of encapsulating the entire crawlspace, after first installing french drains and a sump pump. The people proposing to do the job (we consulted 3) all say we can then close off all but two of our 22 vents. This makes me so nervous...what if the pump fails when we are out of town...what kind of a moldy mess will we be creating down there with the vents closed? If we encapsulated but left more vents open...would that be a better safer idea?

    • Errol mcDonald
      July 8, 2013

      we have installed many systems like yours; to be on the safe side have your contractor install a battery back up..

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