Q: When you were writing about roof repair and replacement, I never saw anything on tar-and-gravel roofs. I just bought a house. At my prepurchase inspection, I was told the roof was in pretty good ...

Q–Our 26-year-old home needs a new roof. The architect who designed the house advised us to consider a roof that is first covered with tar, then a layer of stones. The roof, which has a very low pitch ...

Q:We would appreciate your advice regarding our San Francisco home's roof. We have a 1915 Edwardian with a flat tar-and-gravel roof in one of the "sunny" San Francisco neighborhoods. We've had the ...

Q: I have a tar-and-gravel roof that has some blisters. It probably should be replaced within a year or so. Do you have any suggestions on what I can do to extend its life? - Eric A: Homes with flat ...