A sliding glass door operates much like a train. Rollers fastened to the underside of the movable panel are designed to glide along a track on top of the threshold.

Use a track lock. One method of preventing the door panel from being opened on a sliding glass door is to block the tracks so the door can’t slide open.

My sliding glass door, for example, straddles a single metal rib. If your door won’t move, it may have jumped off its rails. In that case, see if you can lift it back on yourself or get someone ...

Also, my sliding glass door does not have a very good lock, and I have used large sticks in the track to make it more secure.

Dear Gail: We just bought our first home and are very excited. We decided on wood floors and wood blinds for the windows. We have a sliding glass door in our family room and are not sure what we sh ...