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.

Leave ridge beam for shed construction page. Ridge work out how wide you want the barge soffit boards. With the columns removed each end of the gable can be opened up. The ridge board must be set as perfectly as possible so take your time and use careful measurements.

Put rafters in the center of your roof to support the ridge board. 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. I can t ever recall seeing a saltbox shed built with a ridge beam or even a gambrel roof shed for that matter. Repeat the process on the other side so the rafters line up with one another.

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. 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. 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. 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.

The ridge board and rafters are the strength of the roof. Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. Attach your rafter to one side of the ceiling joist using construction nails then hammer nails from the ridge board into the rafter. 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.

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.