Single supporting roof for building

The utility model discloses a single supporting roof for building, which relates to the technical field of single supporting roofs and comprises a fixing strip, an outer supporting pipe, an inner supporting pipe and a bottom plate, a first connecting column and a second connecting column are fixedly arranged on the left side and the right side of the upper surface of the bottom plate, and the outer supporting pipe is mounted at the upper end of the first connecting column and rotatably connected with the first connecting column. The lower end of the inner supporting pipe is installed in the upper end of the outer supporting pipe, the upper end of the outer supporting pipe is provided with a threaded pipe, an adjusting nut is arranged on the outer side of the threaded pipe and is in threaded transmission connection with the threaded pipe, a long hole is further formed in the side face of the threaded pipe, and a plurality of fixing holes are formed in the side face of the inner supporting pipe. A plurality of