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How Deep Do Footings Need to Be?

Footings should extend to a minimum depth of 12 inches below previously undisturbed soil. Footings also must extend at least 12 inches below the frost line (the depth to which the ground freezes in winter) or must be frost-protected.

How Deep Do Footings Need to Be?

Footings are one of the most important elements of a structure, as they provide the foundation upon which the building is built. Footings support the weight of the structure and distribute the load evenly across the soil. As a result, it is essential that footings are installed correctly and to the right depth. But how deep do footings need to be?

The depth of the footings will depend on a number of factors, including the type of soil, the weight of the structure, and local building codes. For example, houses built on soft, loamy soil may not require as deep footings as those built on hard, rocky soil. Generally speaking, footings should be at least 12 inches deep in normal soil.

In some cases, deeper footings may be required. If a structure is very large or if it is located in an area with severe weather conditions, such as high winds, deeper footings may be needed. In addition, areas with expansive soils, such as those found in California, may also require deeper footings.

Regardless of the soil type or the size of the structure, all footings should extend below the frost line. The frost line is the point in the soil where water can freeze and expand, causing the soil

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