Symptom of Foundation Stress: Wall Crack
Cracks on the wall are one of the first symptoms to appear in a house with a foundation problem because the soil is unstable, so the support of the whole structure of the house is uneven.
Symptom of Foundation Stress: Exterior cracks on Bricks
Sometimes the symptoms can even get seen from the outside, as shown in this picture.
Symptom of Foundation Stress: Wall Crack on Living Room
Sometimes a house might be a victim of a heave problem due to an excess of irrigation around the area. When this is the case, there is a heave problem, and soil is expanding, pushing the floor up and making it crack in all kinds of directions along the walls and even ceilings.
Symptom of Foundation Stress: Doors & Windows
One common factor that is not taken into consideration most of the time is when a door or a window cannot properly close. That means the house's structure moved at some angle that the door or window does not fit anymore in the same place.
Symptom of Foundation Stress: Wall Cracks
Here is another picture of one of the rooms of the house. As seen in the picture, the crack is expanding in all kinds of directions, and it is just getting larger and deeper every time.