Calculated Industries 4030 User Manual page 67

Level Cut Angle
Irregular
Side
[I/Jack]
Cheek
Cut
Angle
Plumb: Vertical Cut. The angle of cut from the edge of the board that
allows the rafter to mate on the vertical side of the ridge rafter.
Level: Horizontal Cut. The angle of cut from the edge of the board that
allows the rafter to seat flat on the wall plate.
Cheek: Side Cut(s). The angle to cut from the SIDE of the Jack rafter
to match up against the Hip or Valley rafter, usually made by tilting the
blade from 90°. Jack rafters typically have one Cheek cut. If there is
only one pitch (no irregular pitch), the angle will be 45 . If there are two
pitches, each side will have a different Cheek cut for the Jack rafter and
the angles will total 90 .
Plumb Cut Angle
Hip Rafter
Common
Side
[Jack]
Jack Rafters
User's Guide — 65