Calculated Industries 44060 User Manual
Page 66
64 — CONSTRUCTION MASTER
PRO
Plate: The top horizontal wall member that the ceiling joist and rafters
sit on and fasten to.
Ridge: The uppermost point of two roof planes.
Ridge Rafter: Also known as the “King rafter,” this rafter is the
uppermost rafter that all Hip, Valley, Valley Jack and Common rafters
are fastened to.
Rafters: Rafters are inclined roof support members. Rafters include the
following types:
•
Common Rafter: The Common connects the plate to the ridge
and is perpendicular to the ridge.
•
Hip Rafter: The Hip rafter extends from the corner of two wall
plates to the ridge or King rafter at angle other than 90°. The Hip
rafter is an external angle of two planes.
•
Valley Rafter: The Valley rafter extends from the corner of two
wall plates to the ridge or King rafter at angle other than 90°. The
Valley rafter is an internal angle of two planes.
•
Jack Rafters: Rafters that connect the Hip or Valley rafter to the
wall plate.
•
Irregular Hip/Valley Jacks: Jack rafters found in dual pitch or
“irregular” roofs.
Regular Roof: A standard roof where the Hips and/or Valleys run at
45° and have the same pitch/slope on both sides of the Hip and/or Val-
ley.
Irregular Roof: A non-standard roof where the Hips and/or Valleys bi-
sect two different pitches/slopes, or have “skewed wings” or irregular
Jacks.
Rake Wall: A gable end wall that follows the pitch/slope of a roof.