Q. My house has had no heat for four days, and now I see some cracks in the ceiling, usually following the edges of the tape that was applied to the drywall seams. They aren’t wet and are in a part of ...

Unsightly crack in drywalled ceiling seam - Grace Cary/Getty Images It can be very disconcerting to see a crack forming in your ceiling, leaving you wondering whether you have costly repairs ahead of ...