The magnetic fire door retainers can also be manually released via a push button.
Magnetic fire door retainers.
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This type of system has a wall or floor mounted electro magnet that can hold a metal disc fitted to the back of the fire door to hold it open.
Once an alarm activates the fire doors are automatically released.
Dorgard and other fire door retainers.
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There is a manual release button to override the system to release the door.
These devices hold the doors open in the day to day running of the building but will release the fire doors if there is a fire allowing the fire door closers to do their job.
Please use our technical fire door retainer overview for more guidance.
Door retainers in many buildings there are thoroughfares fitted with fire doors that are vital to the safe operation of the premises but cause inconvenience to the passage of people or goods.
The dorgard along with our other fire door retainers offers a safe and legal alternative.
Fire door retainers also called fire door holders allow occupants to hold fire doors open in a legal and safe manner removing the temptation of wedging the doors open.
An example of this type of door holder is the doormouse fire door holder.
Magnetic fire door retainers.
However installation costs are high.
The main advantage of this type of system is the low purchase cost of the equipment and the fact that no batteries have to be replaced regularly.