Gable Roof Ridge Board

Repeat the process on the other side so the rafters line up with one another.

Gable roof ridge board.

Leave ridge beam for shed construction page. In part 3 of our roof framing series we cover how to select a ridge board how to layout a ridge board how to mark it so you know where to fasten the raft. Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. 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.

One of the main benefits of using a ridge board system is the elimination of the columns typically required under each end of a ridge beam. Ridge work out how wide you want the barge soffit boards. I can t ever recall seeing a saltbox shed built with a ridge beam or even a gambrel roof shed for that matter. The ridge board must be set as perfectly as possible so take your time and use careful measurements.

The ridge board and rafters are the strength of the roof. Attach your rafter to one side of the ceiling joist using construction nails then hammer nails from the ridge board into the rafter. After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors. Gable roof framing calculator plan diagram with full dimensions for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.

Put rafters in the center of your roof to support the 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. Come to think of it the only style shed i can see that would be easy to use a ridge beam is the gable style shed. With the columns removed each end of the gable can be opened up.

A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to.