Now you should brace your gable roof at the end using a temporary stud and install a jack post at a vertical angle running up from the beginning of the joist and connecting to the gable end rafters at the center where they meet.
Gable end roof bracing.
There are several methods for making these types of connections.
Anchor and brace the bottom of the gable end s triangular wall to the ceiling joists or ceiling framing.
Gable end walls need to be well connected to the wall below and to the roof structure or ceiling diaphragm.
The completed gable end bracing accomplished using the steps outlined below should look like the light colored framing shown in the picture below.
In the attic go to the gable end and examine the area where the triangular wall meets the rectangular wall below.
Strengthen the gable end wall studs.
The gable end frame is designed to transfer vertical loads from the roof to the continuous bearing wall below.
The following actions are recommended to strengthen and properly brace a gable end wall.
Brace the top of the gable end wall by tying it to the rafters or tops of the trusses.