button or defined in the shape builder by clicking a 
button.This form lets you define the section properties of the various components of the building. Sections can be obtained from a library by clicking a button or defined in the shape builder by clicking a button.
Note that purlins and girts are not actually generated in the model, but the purlin and girt sizes you specify are used to determine the frame dimensions based on the distance from the sheeting line to the column and rafter flanges.
