In the event of a fire, fire doors only work when they are closed. The STI Exit Stopper is vital in preventing the unnecessary wedging open of fire doors. The flashing beacon and powerful warning alarm alert you to improper or unauthorised use.
In the event of a fire, fire doors only work when they are closed. The STI Exit Stopper is vital in preventing the unnecessary wedging open of fire doors. The flashing beacon and powerful warning alarm alert you to improper or unauthorised use.
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