As Germany’s third-largest airport, Düsseldorf welcomes about 15 million passengers each year. Approximately 70% of all air passengers from North Rhine Westphalia check in at Düsseldorf Airport. This places high architectural requirements on the building, and presents a serious safety engineering challenge as well. After the 1996 fire catastrophe in which 17 people died, new objectives were added to the fire protection plan and implemented over the course of the complete renovation of Terminal B.
Experience has shown that the most dangerous aspect of a fire is not the spread of the fire itself but the toxic smoke and gases it produces. Early detection of fires, fire compartmentalisation and smoke control in the emergency exits and escape routes are all aspects of the fire protection plan put into place and guaranteed using products from the TROX company.

To implement the fire protection plan, TROX products are used whose functions overlapp and interlock to fulfil all the requirements set. Early fire detection is achieved using smoke alarm assemblies that guarantee detection. Because deposits of dirt and dust particles build up in the detector chamber over time, TROX provides the option of testing the dirt level in the detectors. This means expensive false alarms with serious consequences can be eliminated by timely maintenance procedures.
If an alarm is triggered, the fire dampers type FK-K90 (see graphic) are deployed to compartmentalise the fire. They close automatically and are guaranteed to keep smoke from travelling through the ventilation systems into neighbouring areas. This, in cooperation with smoke extractors, guarantees smoke-free emergency exits and escape routes. Smoke detectors and fire dampers are switched via LonMark® modules to the Honeywell building automation system. Working with room monitoring systems, they provide optimum safety for travellers.