Framing the gable ends 1 nail 2 boards onto your walls as top plates.
Gable roof wall framing.
Wall plates and joists 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.
But a gable roof also requires some form of horizontal.
A standard triangular roof known as a gable roof is framed using rafters which are diagonal members that support the roofing materials.
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.
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 the building.
We will cover what your top bottom plates should look like in a gabl.