Stacking Supported Valleys

Recently while working on a beautiful Tudor home in the hills outside Medford, Oregon, I had the opportu – nity to cut the roof shown above, and in plan, at right (see Figure 1). From this roof plan, you’ll notice the main roof is four large Versa-Lam hip beams converging to a near peak, with three smaller gable sections and supported val – leys hanging from them. This project contained every possible type of supported valley — a valley-to-hip (valley #1 on roof framing plan), a valley-tovalley (valley #2), and a “disappearing” valley (valley #3). My goal in this article is to explain how to calculate, lay out, and stack these