ROBUST Sound attenuating transfer unit
Robust design
For the transfer of air through a wall
Meets acoustic disturbance requirements in standard building constructions
Fits in a rectangular wall opening
Simple to install
Standard colour White RAL 9003
5 alternative standard colours
Other colours upon request
ROT is a sound attenuating transfer unit for wall mounting. The unit has been approved for use in prisons, and can also be used in detention centres, care institutions, schools, etc. Surface mounted on each side of the wall, irrespective of wall thickness. Sound attenuation takes place in both the transfer unit itself, and in the space between the wall panels.
The ROT consists of two similar rectangular baffles containing acoustic insulation. The sides of the baffles are perforated: 6 mm x 6 mm, spaced 8.3 mm apart. The baffles are fitted with a flange for screw mounting direct to the supporting surface.