Which type of foundation is most commonly used for wood frame construction?

The most commonly used foundation type for wood frame construction is the continuous footing foundation. This foundation type consists of a continuous concrete strip that supports the weight of the structure, distributing the load evenly along the perimeter walls and load-bearing interior walls. This type of foundation is particularly effective in providing a stable and durable base for wood frame homes, which are often designed to be lightweight relative to other construction methods.

Continuous footing foundations are advantageous for several reasons: they are well-suited for various soil types, provide excellent stability against shifting or settling, and allow for proper drainage, helping to prevent moisture issues that can affect wood framing. Additionally, this type of foundation is generally easier and more cost-effective to construct compared to other foundation types, making it a preferred choice among builders for residential projects.