Can I install a keyed lock in my sliding patio door if it didn't come with one?Roger E., Katy, Texas You have two options: You can get a general retrofit kit from an outfit like Swisco.com (it ...

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.

Sliding doors can be a real security risk—but there are some easy things you can do to make them harder to break into.

When a swinging door takes up too much space, just slip it inside the wall with a pocket door.