Sliding glass doors are easy for a burglar to enter if no remedial action is taken. Often, the door panels can simply be lifted out of the tracks. To solve this problem, open the active door and install a few screws in the track, allowing the screw to project down 3/8" to 1/2". Use a stack of several metal washers to serve as a spacer so the screws can be firmly set. Slide the door closed, making sure the extended screws pass freely over the top rail of the door. Now try to lift the door from the track; upward movement should be stopped by the.
