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On a recent new house with some 26 different roof planes, our crew got lots of practice joining unequally pitched roofs. By the end of the job, we had settled on an accurate, efficient method for figuring the cuts on irregular hip and valley rafters. In this article, I’ll focus on a section of the roof where a lower bumpout with a 43/4:12 pitch met the higher 61/2:12 main roof. We framed this section of the roof with a major (or supporting) valley rafter — a doubled LVL that extends all the way to the structural ridge and supports the minor valley, which intersects it lower down. Find the Angle in Plan Locating where a hip or valley