Jack truss


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(Arch.) in a hip roof, a minor truss used where the roof has not its full section.

See also: Jack

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References in periodicals archive ?
When the jack trusses - steel beams connecting the two main east and west trusses in the roof w were supposed to be installed recently, their length was off by several inches, contractors say.
Framers pull the girder hip-trusses out of the pile, nail truss hangers onto them, and then install the hip jack trusses - including their lateral bracing.