Crawlspace Myths

Crawlspace foundations are common in houses built in a band that stretches from the Carolinas across the center of the U.S. to Washington and Oregon. Basements dominate the foundation type in houses north of this line, partly because of deep frost. Slabs dominate in areas below this line. Crawlspace foundations therefore occupy much of the middle of the mixed climate zone, but can be found in all four U.S. climate zones.

Citation: ASHRAE Journal, vol. 45 no. 11, November 2003



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