If your upstairs ceiling and wall are separating, truss lift might be the culprit - The Washington Post
![Crack in ceiling along where it meets exterior wall. Possible causes, should i be worried? - Home Improvement Stack Exchange Crack in ceiling along where it meets exterior wall. Possible causes, should i be worried? - Home Improvement Stack Exchange](https://i.stack.imgur.com/GN8xH.jpg)
Crack in ceiling along where it meets exterior wall. Possible causes, should i be worried? - Home Improvement Stack Exchange
![drywall - How do I fix seams that open up at the corners of walls during the winter? - Home Improvement Stack Exchange drywall - How do I fix seams that open up at the corners of walls during the winter? - Home Improvement Stack Exchange](https://i.stack.imgur.com/SLjVP.jpg)
drywall - How do I fix seams that open up at the corners of walls during the winter? - Home Improvement Stack Exchange
![Pretty significant cracks appeared between wall and ceiling, are these cosmetic or structural? : r/DIYUK Pretty significant cracks appeared between wall and ceiling, are these cosmetic or structural? : r/DIYUK](https://preview.redd.it/g3umpe6ucwg61.jpg?width=640&crop=smart&auto=webp&s=7cf022917d50f9e391d2022a859864b27aa3bb7d)