Building enclosure structure

The utility model discloses a building envelope which is arranged on an outdoor balcony and comprises a fence, the fence is fixedly connected with the balcony, the side, away from a living room, of the fence is fixedly connected with a roller shutter assembly used for shielding wind and rain, and the two ends of the roller shutter assembly extend to the two side walls of the balcony. The roller shutter assembly is in transmission connection with a driving assembly, the bottom end of the driving assembly is fixedly connected with the top face of the fence, the top end of the driving assembly is fixedly connected with the top end of the balcony, a plurality of protection ropes are arranged on the two sides of the driving assembly at equal intervals, and the top ends and the bottom ends of the protection ropes are fixedly connected with the top end of the balcony and the top face of the fence respectively. According to the building envelope structure, the influence on ventilation and lighting of a room in the da