They have multipoint latches.
Slam shut door lock.
It has an actuator unit positioned between the centre case and the top bolt.
They don t have level handles.
Externally you pull to and all latches engage and you turn key to deadlock.
Even better once shut they can t be opened from outside without a key.
Pas 24 tested and secured by design licensed the fire door slam shut autolock has been engineered to provide long term reliability and security.
We re happy to recommend the winhaus av2 slam lock which comes with a 5 year guarantee.
When the door is closed a trigger in the actuator is depressed by a strike plate fitted to the outer frame which.
A single rotation of the key then locks the door.
These locks are generally designed for pull bar handles but can be used with a knob and finger pull.
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Doors fitted with a slam lock can be closed far more quickly than traditional locks which require you to lift the handle.
You can however bolt the door from the inside by turning the key.