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.

DIYer and woodworker April Wilkerson shows how to install a sliding door by removing and replacing an old one.

For a long time, it was bifold doors that held court in the world of patio doors, wowing people with their ability to open up entire walls to the outside thanks to their clever concertina action. Then ...