Definitions for "Jack Rafter"
Keywords:  rafter, valley, hip, ridge, shortened
An infill rafter completing the roof surface in areas such as corners of HIP ENDS or around chimneys.
A short rafter, used in a hip roof or valley roof or to simulate a rafter which extends beyond the exterior walls.
a part of a common rafter, shortened for framing a hip rafter, a valley rafter, or both
part intended to divide into several intermediate ranges the interval between two trusses, to reduce the section of the purlins.