Ridge Board Roof Construction

Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12.

Ridge board roof construction.

This type of framing is a specially designed rafter layout and requires precise and experienced erection. Remove the spacers in both end wall trusses and put the ridge board in between the 2 gable ends. Ridge beam statics in timber framing log construction. Line it up with the top of the truss and nail in place.

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. The rafters terminate against the ridge board unless the framing is designed to bear rafter against rafter with no ridge board. Ridge boards shall be at least 1 inch nominal thickness and not less in depth than the cut end of the rafter irc section r802 3. Is 22 ridge board too long of a span worried about roof sag building construction diy chatroom home improvement forum.

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. Definition of ridge board in construction the top board at the peak of a roof. Power beam anthony forest s co. A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to.

Framing in a ridge beam in shed roof construction is not hard. The ridge board and rafters are the strength of the roof. So the ridge is basically the peak of a roof but ridge also refers to the board or beam that is used in building the ridge. Here s a picture of a gable style shed using a ridge beam.

Now if you have done any looking around this site you ll quickly see that i am not a fan of using a ridge beam in shed construction. The engineering principles of the ridge board are a bit more complicated. Its only job is to provide a connection point for the roof joists on each side of the roof. Cut to the ridge board to the length of the shed dimension b and mark it 24 inch on center.

Lawriter oac 4101 8 01 roof ceiling construction.