jack arch

Isaac Kremer/ January 14, 2018/ / 0 comments

A structural element that provides support over an opening in a masonry wall (i.e., made of brick or stone). Jack arches are not actually arch-shaped, but are, instead, flat, and made of individual wedge-shaped bricks or stones held in place through compression. Photo from Oyster Bay, New York, 2009. (Easement, 2017)

Photo from Colonial Williamsburg, Williamsburg, Virginia, 2025.

Welsh arch
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About Isaac Kremer

IsaacKremer.com is the personal website of Isaac Kremer, MSARP, a nationally recognized leader in the Main Street Approach to commercial district revitalization with over 25 years of experience. Kremer, New Jersey's first certified Main Street America Revitalization Professional (MSARP), has served as founding executive director for organizations like Experience Princeton and the Metuchen Downtown Alliance, which won a Great American Main Street Award under his leadership. He recently became director of the Royal Oak Downtown Development Authority in Michigan.

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