Automatic release mechanism
Approved document B, Fire Safety, Volume 2, Buildings other than dwellinghouses (2019 edition), defines an automatic release mechanism as:
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A device that normally holds a door open, but closes it automatically if any one of the following occurs.
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NB Approved document B previously defined an automatic release mechanism as:
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A device which will allow a door held open by it to close automatically in the event of each or any one of the following: |
[edit] Related articles on Designing Buildings Wiki
- Approved documents.
- Door closer.
- Door energy rating.
- Doors.
- Fire detection and alarm systems.
- Fire door.
- Fire Door Inspection Scheme.
- Fire Prevention on Construction Sites.
- Fire protection engineering.
- Hold-open device.
- Inner room.
- Joint fire code.
- Separating floor.
- The Regulatory Reform (Fire Safety) Order 2005.
- Visual alarm devices - their effectiveness in warning of fire.
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