6mm & 4mm Vented Polycarbonate Roller Shutters
These shutters are designed for use with modern smoke extraction systems. Offering all the advantages of the traditional solid polycarbonate shutter, the vented option allows up to 3 cubic meters per second of airflow through the shutter in the event the smoke extraction system is activated.
Typically the vented shutter is used in airports, stations & shopping malls. Available in 6mm or 4mm polycarbonate