Bob and Chris Vila join Andy Grover of Hallsted Welles Associates for the installation of a new, flexible, stainless-steel chimney liner. I toured the White House to see Melania Trump's Christmas ...

Q. We had a chimney cleaning service inspect our chimney and they suggested that we install an insulated flexible aluminum flue liner in our chimney connected directly to our gas water heater vent.

Q: Not long ago you answered a question from a reader about fireplace chimneys. You talked at length about dampers but you did not mention the need for a chimney liner. My house is 1906 vintage, and a ...