This Architectural Drawing is AutoCAD 2d drawing of Roof sections of AutoCAD drawing, Dwg files. The major parts of a residential roof, It consists of rafters and trusses, which are beams that form the shape of the roof and support the sheathing or the next layer. Drainage features are also established during the roof structure phase. It has many components, including rafters, joists, and purlins. It supports the roof's sheathing, decking, underlayment, insulation, and other parts added on top of a roof. For more details and information download the drawing file.