Pry, chisel and scrape off old metal flashings and roofing cement. Before you do anything, get your ladder, roof brackets and safety harness set up so you can work safely and efficiently on the roof.

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 ...

correctionAn earlier version of this article incorrectly identified the National Fire Protection Association as the National Fire Protection Agency. The article has been corrected. It’s that time of ...