Designed as extra security for exterior doors.
Extra lock for sliding door.
Most auxiliary sliding glass door locks are installed on the back edge of the slider or along the top rail along the frame or track.
In attempting to make your sliding doors more secure make sure that you still have ease of access to and from your home in case of an emergency.
Entry can be gained by entering a numeric code on the programmable keypad without the need for a key.
Anyone can use a screwdriver to pry into most sliding glass doors.
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Sliding glass door handle set 6 5 8 in diecast and wood hook style flush mount keyed this is a reversible diecast black flush this is a reversible diecast black flush mount patio door handle with wood pulls.
Some require sliding glass doors to be operable from the inside without keys.
For use in combination with a door knob lever lock.
They really are not effective at all.
If you are just looking to add some heavier reinforcements to your door why not just add an extra lock to the door.
Some of the more conventional ways of securing your doors are to improve the locks on the door and to also integrate the door into your monitored home alarm system if you have one.
Check with your local building code before having an extra lock installed.
Electronic door locks use an electronic keypad instead of a key.
This is designed for acorn and better bilt doors but can be found on a variety of other door manufacturers.