Common rafter

common rafter

[¦käm·ən ′raf·tər] (building construction) A rafter which extends from the plate of the roof to the ridge board at right angles to both members, and to which roofing is attached.

Common rafter

A sloped roof member that is smaller than the principal rafter, which spans from the top plate of the exterior wall to the roof ridge rafter.

common rafter

common rafter In wood-frame construction, one of a number of slanting structural members (extending from the ridgeboard down to the eaves) that support the roof; these members are usually of the same size and evenly spaced along the length of the roof ridge.