A roof opening above a staircase, or at the head of a natural powered smoke shaft, or in a top
fl oor corridor would typically require an automated vent to allow for the exhaust of smoke and hot
- CE Marked and tested to EN12101-2
- The base and body material is aluminium
- The louvre blade material can be aluminium or polycarbonate.
- The louvre blades can be single skin or double skin with insulation.