NCIDQ IDFX Practice Exam

In wood construction, what is the function of a header?

1. To provide insulation

2. To act as a decorative element

3. To carry loads and support joists

4. To apply finishes to the walls

The correct answer is: To carry loads and support joists

A header is a crucial structural element in wood construction, primarily designed to carry loads above openings such as doors and windows. Its primary function is to ensure that the load from above is transferred safely to the surrounding structural elements, like the walls or the framing. By effectively distributing the weight, the header helps maintain the integrity of the structure and prevents sagging or failure around the openings. The role of a header is especially important in framing, as it provides the necessary support for joists and other structural components. This ensures that the overall stability of the building is upheld, and it allows for functional openings without compromising safety or durability. In contrast, while insulation, decorative elements, and wall finishes serve their respective purposes in construction and design, they do not provide structural support. Insulation serves to enhance energy efficiency, decorative elements contribute to aesthetics, and finishes complete the visual appeal of walls. However, none of them are responsible for load-bearing functions. Thus, the critical nature of the header in load distribution affirms its importance in wood construction.