Fiber reinforced calcium silicate board compound with light solid partition board was developed under the introduction of Australian antitype product, its performance index was improved also.

The building partition comprises three forms of a partition with a door or a partition with a window or a solid partition which are combined and lined freely, and fixed by a special fastening device.

A staircase extends from the bookcase into the space. Its solid wooden structure makes it appear part of the partition and lends it a sculptural presence.