This architectural drawing is an AutoCAD 2D drawing of a roof truss plan with dimensions and details, dwg file, CAD file. The best way to define a roof truss is as a wooden framework with structural purposes that supports a roof. A room's ceiling can also be crossed with them. The horizontal beams, known as purlins, that connect them are normally spaced at regular intervals. For more details and information download the drawing file. Thank you for visiting our website cadbull.com.