<p>This architectural drawing is a Roof hatch detail in AutoCAD 2D drawing, dwg file, and CAD file. Similar to a door to your roof, a roof access hatch provides access to flat roofs. To access the roof, you must lift the hatch's cover. The upstand and the cover are the two main components of a roof access hatch. For more details and Information download the drawing file. Thank you for visiting our website cadbull.com.</p>