Jettying
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Jettying is a building technique used in medieval timber-frame buildings in which an upper floor projects beyond the dimensions of the floor below. This has the advantage of increasing the available s
A double jettied timber-framed building. The ends of the multiple cantilevered joists supporting the upper floors can easily be seen.
A jettied portion of the façade from a 16th century London house is preserved in the Daylit Gallery of the Victoria and Albert Museum (also note the "carell" windows).
The under-side of jetties in Germany are sometimes decorated and called a windbrett (wind board). This is an example of a jetty supported on brackets.
Paul Revere House Boston, Massachusetts, US, built 1680. This is framed on a few cantilevered beams.
Garrison (architecture)
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A garrison is an architectural style of house, typically two stories with the second story overhanging in the front. The traditional ornamentation is four carved drops below the overhang. Garrisons us
Jettying
…building without obstructing the street. Jettied floors are also termed jetties. In the U.S., the most common surviving colonial version of this is the garrison house. Most jetties are external, but some early medieval houses were built with internal jetties. A jetty is an upper floor that depends on a cantilever…
McIntire Garrison House (1707) in York, Maine, a prototype of the garrison style. The overhang in timber framing is called jettying.
Olsen-Hesketh House, Blake Road, Brownfield, Maine, a contemporary garrison colonial built 1988–89.