In order to make the exterior walls free of maintenance, the following materials were chosen as materials that will not deteriorate over time and will allow visitors to enjoy the changes over time: glass, Corten steel, stainless steel, and stone. For the exterior walls, the north and south sides have light walls with heat insulating material sandwiched between tempered glass, while the east and west sides have U-Wall, a stainless steel net filled with pumice stone. "The U-Wall also serves as a rain gutter and a ventilation layer to prevent radiant heat.

Japan | Chiba

Jutakutokushu June 2010 issue 54P