
No Moisture, Mold, Insects or Radon
Open vented crawlspaces tend to be cool, dark and damp. Mold, wood rot, insects and rodents flourish in these types of environment.
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Originally, open vented crawlspaces were intended to dilute radon and dry up water. However, in climates that have wet soils and high relative humidity, the open vented crawlspaces instead create an unhealthy area.
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Open vented crawl spaces may have water entering through the foundation wall, pooling on the ground from hydrostatic water pressure, and condensation forming on the air ducts and insulation.
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When fiberglass insulation gets wet it loses its insulation ability and transfers its moisture into the wood.
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Wood with moisture content above 20% will support mold and is more susceptible to wood boring insects.
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Mold, moisture, insects and radon are not things you want under your home. Hot air rises and sucks mold and radon pollution into your living areas.
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People and animals react differently to mold pollutants, yet most experience aggravated allergies, asthma and respiratory illness.
In most homes the air ducts are not sealed allowing the moist, moldy crawlspace air and insects to contaminate the air ducts which cause allergens to be circulated throughout the house.
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Also, the electrical and plumbing penetrations made in the floors and walls allow insects and rodents from the crawlspace to enter the living areas.
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Mold in the air ducts and radon inside the home is unhealthy, especially for children, the elderly, people who suffer from asthma or allergies and those with compromised immune systems.
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According to the World Health Organization and the EPA there are no safe levels of radon.
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Radon is currently the leading cause of lung cancer among non-smokers.
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