What are the Different Types of Home Foundations and When to Use Each?
The foundation is the first piece of a residence to be constructed, and creates a base for the rest of a home’s components. There are three types of home foundations that are commonly used in the U.S.: Slab, crawlspace, and Basement.
Slab Foundation:
Slab is a type of home foundation consisting of a structural concrete slab poured directly on the grade. No accessible space exists in Slab construction. Slab foundations are popular in areas (i.e. the Southern U.S.) where there is a relatively high water table. (Water table refers to the depth in the soil at which you find water).
Crawlspace Foundation:
A crawlspace is an accessible space with limited headroom, typically between the soil and the bottom of the first floor of a residence. Crawlspace construction is predominant in areas where there is heavy clay content in the soil.
Basement Foundation:
A basement foundation is an accessible space between the soil and the bottom of the first floor of a home. It usually has more headroom than a crawlspace. Basement foundation construction is predominant in cold climates where the foundation needs to be situated below the frost level.
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