Ridge Boards

A non-structural wood member used at the ridge of a roof to provide a common nailing surface and point of bearing for opposing roof rafters.

Sawn Ridge Board
Ridge Board - The ridge member is a 1- or 2-inch thick lumber and is 2 inches deeper than the depth of the rafters to permit full bearing at the angled rafter ends. Rafters are placed directly opposite each other across the ridge and are notched at the lower end to fit the exterior wall top plate.