The roof covering detail of the 12x20m residential plan AutoCAD drawing is given in this file. On this ground floor, the living room, dining area, porch, kitchen, power room, guest room, and garage is available. On this first floor, the family hall, master bedroom with the attached toilet, kid’s room, guest room, and common bathrooms are available. This is two story house building. For more details download the AutoCAD drawing file from our website.