First make sure that the existing door lock works.
Security for sliding glass door installed backward.
If for some reason the sliding door is unlocked an intruder still won t be able to get in if a security bar is installed.
To secure a sliding glass door install a double bolt lock.
A portable security bar or a door barricade can be used to jam the door from the inside so that it can t be slided open from the outside.
This will prevent an intruder from lifting the door off its track.
The key to securing sliding glass doors is to install a mechanism that prevents an intruder from forcing the door to slide or to lift.
If it doesn t work home centers carry replacement locks.
The strongest way to secure your sliding door is with a sliding door lock.
Security bars work by preventing movement because it is wedged between the sliding door and sliding door frame.
If you can t reverse the door ask about your security options which could include adding a step pin or floor style lock if the door doesn t already have one disengaging an outward facing.
Most security bars come with a door knob notch that can be removed for sliding door use.
Glass break alarm sensor.
Install window security film on the glass surface to make it harder to break.
Use a security bar.
One of the problems with sliding doors is that glass can easily be shattered.
Additional ways to secure a backwards sliding door install anti lifting security screws.
These locks are installed at the top of your door where the stationary glass and the sliding glass door meet.
These locks work in addition to the door locks and can only be opened by an adult or tall child.