automatic fire door

automatic fire door

A fire door that automatically closes a space when the temperature within the space reaches a predetermined value, or when there has been a significant increase in the rate of temperature rise, smoke, or other products of combustion within the space.
References in periodicals archive ?
Automatic fire doors closed and 40 people were evacuated from the terminal building.
Obvious alterations, like installing handrails, the provision of disabled-friendly toilet facilities, designated parking spaces for the disabled and automatic fire doors, should also be considered.
Fire-rated doors can help protect residents awaiting evacuation; firewalls can help stop flamespread; and automatic fire doors can compartmentalize building zones during a fire.
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