COMMON ISSUES WITH CRAWL SPACES
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CRAWL SPACES
Having crawl spaces has been a controversial topic among constructors and home improvement experts. Indeed, these spaces are not designed to be inhabited because they are open access to different installations such as plumbing, wiring, and ductwork. Likewise, crawl spaces are costeffective solutions to substitute concrete slab foundations that would hinder home inspections. However, they often become an annoyance in a house or building when not adequately conditioned.
NOT INSULATED CRAWL SPACES Not insulated crawl spaces are dark and damp areas that favor mold growth, condensation, rot, and issues that affect the integrity of your home structure. These issues are common when crawl spaces rest on open earth and are exposed to groundwater, soil gases, and outdoor elements. In this sense, The EPA recommends covering basements and crawl spaces with waterproofing items and insulators such as vapor barriers.
CRAWL SPACES AND ATTICS
According to past practices, crawl spaces traditionally required ventilation to prevent water vapor from entering from the ground into the house. Traditionally, vented crawl spaces were built to avoid the accumulation of moisture and radon. However, vented crawl spaces cause collateral problems because they are cold and allow humidity to condense on structural components. In the first instance, vents can be closed in the winter months to reduce heat loss. However, vented crawl spaces need more oversight and management than insulated ones. Also, crawl spaces are not recommended in cold climates because below-the-frost line conditions require basements.
NORTH CAROLINA Because North Carolina has a mixed humid climate, many homes and buildings in this state there are more crawl space foundations than any other state in the country. Notwithstanding, mold growth, decay, high radon levels, and pests are prevalent in vented crawlspaces.
MOLD
Mold creates hazardous conditions that can impact indoor air quality and the health of the house’s occupants. If you feel the cool air from your crawl space, your home is at risk of developing mold problems.
Finally, some studies have demonstrated that closed crawl spaces, conditioned crawl space foundations allow saving 15% or more on annual energy used for space heating and cooling.
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