List of featured suppliers of DOOR RETAINERS Fire Alarm Release on Building Products Index
A door retainer, fire alarm release is a device or mechanism that is designed to hold back or retain a door in place until it is prompted to release by a fire alarm system. This can be crucial in ensuring that the door remains closed in the event of a fire, preventing the spread of flames and smoke and protecting occupants and property. When the fire alarm is activated, the door retainer is automatically released, allowing the door to close and seal off the area.