All of a sudden this morning I saw about a 14 foot crack on a wall facing the outside (no neighbours) and I'm freaking out. I'm sure I would have noticed it before. The fact that it probably appeared overnight worries me. Should be I concerned or is just a cosmetic problem?
Background: it's a condo which is only 1.5 years old on the 17th floor. It's been -14 to -20 °C (7 to -4 °F) for weeks if that helps.
It seems to be a very superficial crack in the paint but I have never seen something like it. The crack is a straight line starting 2 feet below the ceiling and goes in a straight line down. I'm used to seeing cracks that are crooked.
Is this type of crack common and what is the cause? Does it require professional help? Is the place going to crack? How do I find out the cause?