Fire Rated Steel Roller Shutter Doors 

Fire rated Steel Roller Shutter Doors are mainly used for fire separation areas in factory, warehouse, shopping centers and residential buildings. It is made from fire resistant steel slats, which can withstand high temperature and burning during fire accidents. And fire rating Automatic Roller Shutter Door have a fire-protection controller, which will control the door automatically close when fire accidents happen. Such auto closing program can be activated by Fire Control Center of the building, or directly by nearby temperature detectors or smoke detectors. After closed, the fire rated Steel Roller Shutter Doors will become a screen barrier to isolate fire and stop fire spreading. This create a temporary safe areas for people and property, and leave a time for escape and rescue.  Fire rated Steel Roller Shutter Doors normally keep open in most cases. Only when a fire accident happens, it will automatically close to prevent fire from spreading. KENVO sup…

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