Q. An ice dam left a small irregular brownish area and a crack in a bedroom ceiling. How do I fix it? A. You don’t mention if it’s a textured ceiling, the width of the crack, if there’s any loose or ...

There are two kinds of cracks in old lath and plaster walls. Both can be repaired, but one is a much more serious problem. By Ronda Kaysen Q: Our Gramercy co-op was built in 1929. The thick plaster ...