That is except for the crowning glory, the shed roof. in truth framing in the foundation and the walls, adding doors and windows, these are all relatively straightforward, simple tasks. for many people, the idea of having to do the shed roof framing is a little bit on the scary side.. The fourth step in the how to build a shed series this tutorial teaches you the necessary steps to building roof rafters. from cutting the rafter parts out to building a jig and assembling the rafters! a rafter is one side of the rafter assembly. the rafter assembly is made by using an o.s.b. gusset. Common types of roofs and basic framing terms. types of roofs the most commonly used types of pitched roof construction are the gable, the hip, the intersecting, and the shed (or lean-to). an example of each is shown in figure 2-1. gable a gable roof has a ridge at the center and slopes in two directions. it is the form most commonly used by.