Trimmer (Construction)

In light-frame construction, a trimmer is a timber or metal beam (joist) used to create an opening around a stairwell, skylight, chimney, and the like. Trimmers are installed parallel to the primary floor or ceiling joists and support headers, which run perpendicular to the primary joists.^[1]^[2] It can also refer to a jack stud that supports a header above a window or door opening.

Traditionally, a stud which was less than full length was sometimes referred to as a cripple.^[3]^[4]^[5]

References

↑ "Architectural Graphic Standards Online". https://www.graphicstandards.com/gs/landing.html#searchQuery?searchQueryString=trimmer.
↑ Ching, Francis D. K. (2001). Building Construction Illustrated, 3rd Edition. John Wiley & Sons, Inc.. pp. 4.21, 4.31. ISBN 0-471-35898-3. https://archive.org/details/isbn_9780471358985/page/4.
↑ Glossary, building terms, word definitions. Define Cripple Stud
↑ Hometime Glossary – Framing
↑ Building a Wall 3 - Three Stud Corner and Windows | DoItYourself.com

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Original source: https://en.wikipedia.org/wiki/Trimmer (construction). Read more

[1] "Architectural Graphic Standards Online". https://www.graphicstandards.com/gs/landing.html#searchQuery?searchQueryString=trimmer.

[2] Ching, Francis D. K. (2001). Building Construction Illustrated, 3rd Edition. John Wiley & Sons, Inc.. pp. 4.21, 4.31. ISBN 0-471-35898-3. https://archive.org/details/isbn_9780471358985/page/4.

[3] Glossary, building terms, word definitions. Define Cripple Stud

[4] Hometime Glossary – Framing

[5] Building a Wall 3 - Three Stud Corner and Windows | DoItYourself.com