Gable Roof Ridge Board

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

Gable roof ridge board.

Rafters and ridge boards in conventional gable roof framing the slope of the roof is formed by rafters that run diagonally downward from the peak of the roof to the tops of the exterior walls of. Leave ridge beam for shed construction page. Repeat the process on the other side so the rafters line up with one another. 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.

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. 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. 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. Set out the wall plates to whatever centers you need for your gable roof 400 450 600 or 900 governed by the weight of roof covering ie tiles and cut fix the joists so they are parallel to each other and flush with the back edge of the wall plates.

Attach your rafter to one side of the ceiling joist using construction nails then hammer nails from the ridge board into the rafter. Find the ceiling joists closest to the middle of your structure. 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 boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12.

The ridge board and rafters are the strength of the roof. I can t ever recall seeing a saltbox shed built with a ridge beam or even a gambrel roof shed for that matter. With the columns removed each end of the gable can be opened up. Put rafters in the center of your roof to support the ridge board.

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.