This is the rooftop garden of Haein's case located in Singil-dong, Yeongdeungpo. As the rooftop garden is decorated between the buildings in Seoul, it looks unique to see green nature coexist between the buildings. It feels like a heavenly garden in the city center. Not only the garden, but also the place where you can relax and enjoy simple exercise.

A folding door is installed in an outdoor rooftop garden and a resting area, and is used as a barrier and entrance. On a fine day, you can open the folding door with a good opening and closing rate to maintain a pleasant environment through air circulation inside and outside, and enjoy or enjoy a nice garden with a wide open space. Also, you can separate the outdoor garden by closing all the folding doors, and on rainy or windy days, you can separate the space and enjoy the outdoor garden from the indoor area.

The insulation effect was further upgraded by constructing an insulating folding door frame to fit the exterior installation, and the two-way deployment method was carried out by securing both sides and opening and closing them in two places.