When you want the door locked you slide the two bolts into the receiver and your door is secure.
Sliding door security bar diy.
Basically you put the locking portion on the door at any height you want and the receiver at the same height on the door frame.
Then buy either a single or a double wrap around door reinforcement plate kit and four 1 1 2 in long stainless steel wood screws.
Remove the entry knob and dead bolt cylinder.
This one by cal tech works really well.
Measure the entry door thickness and the spacing between the entry knob and the dead bolt cylinder.
This type of security bar can usually be purchased from the door manufacturer or you can make one from a piece of wood or pipe cut to the right size.
Easy diy shed garage door security bar.
A sliding glass door security bar is a simple device which is placed in the track of a sliding glass door to prevent it from opening.
It s a double bolt sliding door lock.