Roof framing plan of 20x11m twin house plan is given in this Autocad drawing file. This is single story house plan. Roof material details are given in this drawing. This plan consists of living area, kitchen, master bedroom, kid’s room, common water closet, porch, corridor, and common bathroom are available in the first floor. For more details download the Autocad drawing file. Thank you for downloading the Autocad drawing file and other CAD program files from our website.