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 bills ...

Dear James: Our swinging doors use a lot of wall space when open. Our house is small, so we want to install sliding or folding doors. Which design is better and how are they installed? - Marcia L.

We may receive a commission on purchases made from links. Installing door locks can be more challenging than you might think. Most modern doors are quite thin, and it's all too easy to accidentally ...