jack rafter

(redirected from cripple rafter)
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jack rafter

n
(Building) a short rafter used in a hip roof
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Cripple rafters were two-by-six; about two foot six inches on center, with a four-twelve slope.