As the temperature becomes warmer, the building materials in your home – because they are exposed to excess moisture – will expand. Then, as the temperature drops, they will contract. The quick changes between hot and cold can place stress on the ceiling materials and joints, and lead to cracking.

Does coving crack?

One thought is that the coving may have parted company with the wall/ceiling where the cracks are. This often happens, its still bonded in enough places to be secure but in the places where it is not, cracks appear and even if they are filled with caulk etc they will always return.

Why are cracks appearing in my ceiling?

There are two main causes of ceiling cracks: Structural damage and the natural settling that happens as a building ages. Ceiling cracks can also be caused by poor workmanship. Your home is getting older.