Gable end walls need to be well connected to the wall below and to the roof structure or ceiling diaphragm.
Gable roof roof bracing.
There are several methods for making these types of connections.
This higher pitch is going to mean that bracing your gable roof is important.
Bracing a gable roof is an important part of making sure that it is as secure and as sturdy as it possibly can be.
Longitudinal bracing members should extend the full length of the roof tightly abut gable and party walls and permit diagonal bracing to pass they may be lap jointed providing the overlap is nailed to a minimum of two trussed rafters.
What makes a gable roof what its higher pitch than ordinary roofs.