A night latch is a type of auxiliary lock often used in conjunction with a regular latchset on an exterior door.
How to install a night latch door lock.
Traditionally the night latch was designed so that it could not be unlocked from the outside.
Night latch door locks mount on the inside face of a door and operate with a small knob.
Look into keyed entry door knobs also called privacy knobs portable door locks or top of door locks.
The latches can easily be opened in a variety of ways.
This is a big security concern because a sliding door with out a lock can easily be compromised.
If you re in a situation where you cannot or do not want to use a drill to install your lock there are a couple ways of installing an interior door lock without a drill.
The cylinder night latch can only be opened with a key from the outside but can be closed and locked from the inside using the locking button.
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These locks have largely been replaced by deadbolts in the u s but are still common in europe and many other parts of the world.
Lock standard for double locking night latch.
Similar to the auto deadlocking night latch you can still open the door from inside if you lock the handle from inside with a key.
Tape measure pencil flat drill bit for wo.
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How the lock is operated.
The latches are available in single action models that operate from.
Double locking night latches are approved british standard bs3621 bs8621.
Clean the sliding door track.
How to prep a new door for lock installation duration.
Tools needed for this job.
How to install a night latch door lock.
Here is a quick guide that can help you to install a sliding door lock.
How to install a night latch to your door.
It is fitted to doors which open inward.