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What is the framing member on each side of a window opening used to support the window header?
Jack stud
Trimmer stud
Cripple stud
Both Jack stud and Trimmer stud
The correct answer is: Both Jack stud and Trimmer stud
The framing member on each side of a window opening that supports the window header is referred to as both a jack stud and a trimmer stud. Jack studs, sometimes called "trimmer studs," are short vertical members that extend from the bottom plate to the bottom of the header. They provide direct support for the header and help transfer the loads from the header down to the foundation. The jack stud is crucial in ensuring the structural integrity of the window opening, allowing it to bear the weight of the wall above while maintaining proper alignment and support. In construction terminology, a trimmer stud can also refer to the same concept, though it often emphasizes its role in framing openings rather than carrying loads. Generally, in practice, both terms may be used interchangeably, highlighting the two support members that address the same structural need. Hence, the inclusion of both terms as valid answers reflects an understanding of the terminology and function of these essential framing elements.