Picking a balcony is also called cantilever balcony.
Refers to the balcony in the residence (main), and the floor of the balcony is picked out from the outer wall.
In the calculation of shared housing area, the calculation of balcony area and fully enclosed balcony area is often encountered. According to the latest Code for Calculation of Building Area of Building Engineering (GB/T50353-2005), the balcony of a building, whether it is concave balcony, overhanging balcony, closed balcony or unsealed balcony, is calculated according to half of its horizontal projection area.