This is a folding door with increasing construction, not only in stores and offices, but also in government offices, homes, and churches.The reason for this is that more and more people are requesting interior effects that are not seen in the glass and many advantages that can be obtained with 90% of the opening and closing rate is increasing.​

These days, cathedrals decorate various spaces as well as mass. After the service, Suwon Catholic Church gathered in twos and threes to enjoy a cup of coffee and chat or to set up folding doors in a place for socializing. Normally, expand and use it as a large space, and on mass days, close the folding door to use it as an independent space.

It is very useful for spaces that are separated or widely used because of its high spatial utilization with the cool opening and wide visibility of the folding doors.​

It also uses an insulation called polyamide to completely block hot and cold temperatures on the outside, and it also has a high rate of outside noise and windbreak due to the installation of a lower mohair.