Crash bars are safety devices on swing doors that allow for quick opening in emergencies. They are required by building codes and can be retrofitted or integrated into doors. They allow for quick escape and can be useful in environments where manual operation is difficult. Regular maintenance is necessary.
A crash bar is a safety device on a swing door that allows people to push the bar to quickly open the door in an emergency. It is designed for situations where people can literally crash into a door and need it to open to the outside, such as evacuations from buildings in the event of a fire. In many regions, building codes require the use of crash bars on exit doors, especially those used for emergency exits, in commercial construction. Such bars can also be placed on key interior doors.
The security bar typically runs the length of the door, allowing people to strike the bar anywhere to activate the mechanism that allows the door to open. It is placed inside the door. The doors can be retrofitted with crash bars after the fact and it is also possible to install doors with integrated crash bars. The devices yield even at low pressures, allowing children or people who feel weak to open the door without too much difficulty.
An advantage of the crash bar is that it can allow for a quick escape from an enclosed area. The door can be locked from the outside to keep people out, while still allowing people inside to activate the door to exit quickly. This can fix security issues on a building that needs to be kept locked. Blocking people could pose a serious threat in an emergency, and the crash bar allows the company to meet safety and security needs.
Such bars can also be useful on doors that people may not be able to operate manually. People can slam the door to activate the bar and slide through the swinging opening. This can be useful in environments where workers may be laden with items in their arms, but doors are required to restrict movement or to provide sound insulation. The security bar can be placed on either side of an interior door in a location such as a corridor, depending on the direction of movement.
Like other safety devices, crash bars should be periodically inspected to make sure they are in good condition. They may need lubrication to make sure the mechanism operates smoothly and they should be tested to confirm that people can get out in an emergency. If there is a problem with the boom it should be resolved as quickly as possible and staff should be advised that they should use an alternate evacuation route in the event of an emergency.
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