... widely used in building elevation, divider ,the ceiling , ade,balconies and corridors,shutter,staircases and airport access stations,hotels,museums,opera ... are widely used in building elevation ,divider, the ceiling , shade, balconies and corridors, shutter, staircases and airport access stations ,hotels, museums, ... 17.5mmWeight : 2.3 kg /sq meter Metal folding screen room divider from manufacturer