HVAC Burglar Bars

Issue 5 and Volume 163.

BY DANIEL WEDDING Most discussions in the fire/rescue community on the hazards of burglar bars focus on the danger they present to building occupants and firefighters who are trapped by fire and smoke conditions and unable to exit through a window or doorway. However, because of tough economic times and innovative thinking, your local criminals may now present a different kind of challenge. When conventional breaking and entry efforts fail or are too risky, some burglars will now attempt rooftop entry through ductwork. Numerous videos show thieves who, on entering a building through the roof and ceiling, got stuck and were unable to exit the building. Heating, ventilation, and air-conditioning (HVAC) specifications for many businesses and other tenants moving into remodeled buildings call for increased security measures, such as ductwork sleeves with burglar bars. Security standards often specify that this security feature be included in the ductwork systems running from…

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