Interactive design, instal and service many systems using both natural and mechanical means for smoke ventilation. Due to physical size of some premises, it is necessary to create multiple smoke reservoirs using fixed or automatic smoke barriers.

Interactive will evaluate all aspects of the building and the potential fire load. These including the use of mezzanine floors, the pitch of the roof and the make-up and spread of the combustible materials.

The final design may be manually operated or automated using electronic or pneumatic controls. Different types of ventilators can be used, i.e. louvred, single or twin flap, vertical or horizontal and there is a choice of high or low level inlet.