Q:I have a 50-year-old one-story freestanding brick chimney with one flue (see photo). A chimney sweep recently did an inspection and noted the part of the chimney extending above the roofline could ...

Where to start with chimneys? Probably here: A chimney is not just an elongated window, not just a portal from inside to outside with deep, brick sills. A chimney, in fact, is a machine for generating ...