Home Stairwells Fire brigade elevator Downloads About us Contact Overpressure ventilation systems to keep escape and rescue routes free of smoke The most common cause of death in fire is not the fire itself, but the smoke. When they arise, considerable amounts of fire and smoke gases are produced ... more You can use effective fire protection technology with the help of an overpressure system as early as the construction planning stage ... more System solutions for: - Internal stairwells - Safety stairwells - Internal corridors - Fire brigade elevators - Escape tunnel Overpressure ventilation system (stairwells) Overpressure ventilation system (fire brigade elevator ) imprint © 2008 KoTec GmbH