Dear James: My parents' older house had plaster walls, but most builders now use drywall. I'm making a room addition. Which interior wall material is best to use? — Melanie N. Dear Melanie: From the ...

At the turn of the 20th century, plaster was the most popular interior wall covering in North America, and it remained so for the next several decades. But things have changed since then. Drywall, ...