That lock will engage a bracket mounted on your sliding glass door above your existing lock and locks the sliding door to the pet door.
Patio panel pet door installation.
Measure 12 from the top down the side of sliding glass door frame and mark.
Panel pet doors designed for a semi permanent installation only will have a lock built into the pet door that you will use instead of the lock on your sliding glass door.
This fourth best patio pet door for dogs includes an extra large panel door with a flap opening size of 13 inches x 23 inches.
This is perfect for pets weighing from 12 lb 220 lb.
Measure 1 above the pet door in the patio panel and mark on the sliding glass door frame.
With a tool free installation this sliding door dog door insert is the perfect choice for rentals and vacation homes as well as for people who want to avoid making permanent alterations to their sliders.