Jamb
A "Jamb" (from French jambe, "leg"),[1] in architecture, is the side-post or lining of a doorway or other aperture. The jambs of a window outside the frame are called "reveals." Small shafts to doors and windows with caps and bases are known as "jamb-shafts"; when in the inside arris of the jamb of a window, they are sometimes called "scoinsons."[2]
A doorjamb, door jamb (also sometimes doorpost) is the vertical portion of the
The dimensions of door jambs depend on the size of the door, but typically, 4 feet 16 inches, 5 feet 12 inches, and 6 feet 16 inches are among the most common measurements.
The word jamb is also used to describe a wing of a building, perhaps just in Scottish architecture. John Adam added a 'jamb' to the old Leith Customs house in the Citadel of Leith in 1754–1755.[4]
In arches and vaults, the soffit is the curved inner surface of the arch or vault located above the impost, as opposed to the outer surface called the arch or vault crest.[5]
See also
References
- ^ Merriam-webster.com
- ^ One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Jamb". Encyclopædia Britannica. Vol. 15 (11th ed.). Cambridge University Press. p. 135.
- ISBN 9781136444067.
- ^ Edinburgh City Archives. Dean of Guild Court papers, warrant granted to John Adam on 27 June 1764 when he presented a full set of building accounts.
- ISBN 978-3-653-01762-5.
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