These vertically folding solid operable walls have a quiet and completely automatic turnkey operation, room configuration can be changed in a minutes. The partition is stored in the ceiling cavity, saving valuable floor space. This wall allows furniture to stand in close aproximity of the wall. The sound insulation ranges from Rw 47 dB till Rw 59 dB (laboratory value), also panels can be applied which improve acoustical values. A wide variety of finishes is available. Maximum height is 3.66 meter, maximum width is 14.4 meter.