Ridge Board Roof Construction
I always always build trusses.
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. Power beam anthony forest s co. Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. Is 22 ridge board too long of a span worried about roof sag building construction diy chatroom home improvement forum.
Its only job is to provide a connection point for the roof joists on each side of the roof. 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. 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.
Lawriter oac 4101 8 01 roof ceiling construction. 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. 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.
Definition of ridge board in construction the top board at the peak of a roof. The rafters terminate against the ridge board unless the framing is designed to bear rafter against rafter with no ridge board. 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. Ridge boards and beams in traditional house framing also called stick framing a basic roof frame consists of opposing pairs of sloping rafters that meet at their top ends at a ridge board or 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 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. This type of framing is a specially designed rafter layout and requires precise and experienced erection.
The ridge board and rafters are the strength of the roof.