Because in the event of a fire, smoke is the major contibutor to human fatalities.
Smoke control in the event of a fire is therefore of vital importance to ensure that occupants of a building under fire will be able to evacuate to safety.
The main objective of the smoke control system is to maintain in the occupied space whereby the smoke generated will not hinder the occupants movement to safety.
Natural Roof Ventilators are mounted on top of the roof and will automatically open in the event of a fire in which smoke can escapes and thus help saves lives.