Tying Two Roof Lines Together

Draw a couple of attached boxes representing a main building plus a building extension.

Tying two roof lines together. Select the 2 top faces. If you re adding to the gable end of the house the side wall that goes up to the roof s peak it s fairly easy to extend the existing roofline over the new space says curt schultz a realtor architect builder in pasadena calif. The other is to get the fascias to line up. Where two gable roof lines meet the intersection forms inside corners called valleys.

To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. We ll start with the knowledge that the main roof has an 8 12 pitch. First we should establish the pitch of both roof planes. That s a simple low cost solution that can tie in well with the main house.

Examples merge roof planes example 1. In the pop up menu then choose calif ranch from the roof style pull down menu. One is getting the two differently pitched planes to meet at the hip or valley rafter. The diagonal rafter that runs from the intersection of the ridges down to the top of the walls at the inside.

Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. Extend roof along eave 1. Joining these two roofs poses two main challenges. Choose plugins instant roof make roof.