Definitions for "Common Rafter"
Keywords:  rafter, ridgepole, ridge, plate, collar
Each of the pairs of full sized rafters used to frame a roof.
A rafter that sits on the top plate on one end and joins to the Ridge Board at a 90 degree angle at the other.
Rafter that extends from the top plate to the ridge. Generally set 12, 16, or 24 inches apart.