Less serious cracks, such as those that are hairline in width tend to reveal themselves to the junctions of walls and ceilings, or at the junction where one plasterboard meets the other.

tdgeek: Is the first pic on a flat wall or corner? Either way it seems that perhaps tape and plaster wasnt applied very well Bostik flexible filler is pretty darn good, it wont crack. But, if the ...

However, in worst-case scenarios, wall cracks could reveal a bigger, more serious problem with the foundation and the structural integrity of your home. Shoddy construction, shifting soil, and ...