Builders facing the job of framing a gable dormer generally use one of two options. Most simply build a header between two doubled common rafters from the main roof, and use this to support the dormer's ridge beam. This method is especially common for dormers situated toward the middle of the roof elevation, which require a lower as well as an upper header. Another method is to continue the dormer's ridge beam through its intersection with the main roof and hang it from a metal saddle or wood 2x2s hanging vertically from the main roof's ridge beam. But this method compromises strength and can't be used with vaulted ceilings. To get around these limitations, and to put the load
