Clamp This c-clamp lock requires no tools to install and yet is very effective in locking a sliding glass door or window against a panel pet door for security. They are often used for window security apart from their use with pet doors. All you need to do is place it on the flange of the track and tighten the screw to secure the lock in place!
Foot Actuated Dead Bolt Lock
This lock is very convenient for locking a sliding glass door against a patio pet panel. The lock may be mounted in a variety of ways and includes a foot operated level for inserting the dead bolt so the user doesn't need to bend over. These locks are used to increase security apart from their use with patio pet doors. This particular locking mechanism for your sliding glass door does require that you screw in the lock to your sliding glass door or frame.
Panels over 80” Tall: Deadbolt Lock
For sliding glass doors on the inside track: The deadbolt lock can usually be set up on the back side of the moving slider using the providing mounting screws. (Figure C)
For sliding glass doors on the inside track: The lock can be installed on the front edge of the non-moving side of the sliding glass door.
How to Install: Use a 3/16th drill bit to drill holes on the steel deadbolt locks opposite frame. To avoid drilling into the glass, make sure that the hole is at least ¾” away from the inside edge of the sliding glass door frame. If you drill into the glass, it will shatter. (Detail 1)
Panels Under 80” Tall: Clamp Lock
Installing the sliding door clamp: Close the sliding glass door onto the pet door panel. Once it is closed all the way, place the clamp lock onto the track on the edge opposite to the pet door panel. Use your hand to tighten the screw to secure your sliding glass door.
Note: If your sliding glass door is on the inside track, install the clamp lock on the raised track on your sliding glass door. (Detail 2)