Ridge Board Roof Construction

The ridge board runs the length of the building and provides support for the tops of the rafters helping the whole roof structure work together as a system.

Ridge board roof construction.

Line it up with the top of the truss and nail in place. The engineering principles of the ridge board are a bit more complicated. Remove the spacers in both end wall trusses and put the ridge board in between the 2 gable ends. Its only job is to provide a connection point for the roof joists on each side of the roof.

Position a ridge board down in the saddles of the supports. The ridge board must be set as perfectly as possible so take your time and use careful measurements. Cut to the ridge board to the length of the shed dimension b and mark it 24 inch on center. Create a saddle at the top with the braces the height of the building walls plus rise less the width of the ridge board.

Brace these supports in the centerline of the building. Because the ridge board is a smaller member typically only an inch thick sometimes even less it is not a structural member and doesn t carry the gravity load. Rip the ridge board to the correct width to meet the rafter widths at the ridge. Definition of ridge board in construction the top board at the peak of a roof.