Sliding Glass Door Cat Door Insert - In regards to maintaining your home in tip top condition, nothing can be more annoying than the usual sliding glass door that won't slide.
The number 1 reason why your sliding glass door won't side is because too much soil and debris have clogged up the wheels and the course of your door panel. It is best if you have another person present to assist you, because most sliding glass doors are very heavy, although this really is not a difficult fix. The first step would be to examine how your sliding glass door is fixed to the course.
When the door is on its side, you are able to carefully examine the track and the wheels. Mostly, you'll find the wheels are full of debris and soot, as well as the trail is, in addition, likely very filthy. Needle point and use compressed air pliers, to clean the wheels. Be careful to pull every last hair out of the wheel bearings.
While you are at it, clean up all the "mating-borders" of the door. This is where the sliding door and any other surface of the door frame meet. A general rule of thumb will be to simply wipe down anything that appears filthy. Don't forget, even whenever soil is just not always on the course itself, it can eventually fall to the trail causing your door to demand another wipe down.