I recently bought a house a few months ago and I noticed this thin dark streak / line across my second floor ceiling yesterday and was wondering if someone could help me figure out what this might be and if it is serious so I could ask my home builder to remedy as needed. Not sure if related but I also saw a "dimple" next to the line. The dark line does not seem to wash out if I rub it and I can feel the line is slightly raised / bumped with my...
Originally asked by FreshJalepenos101 on Stack Exchange (diy) (CC BY-SA 4.0).
