As tough and durable as a concrete foundation is, it may need repair work overtime. This is because the soil underneath the floor collapses and sets under pressure and weight. While it is normal for some movement to take place underneath if the gap becomes too big it could weaken the strength and structural integrity of the floor. In such a case, there might be a need for a slab foundation repair . If you have a concrete floor at home and are not sure of its condition, here are 3 signs that indicate it needs a mudjacking foundation repair. 1. Cracks on House Wall If there are visible cracks or crumbling on the walls of your house, it could be a sign that your concrete floor needs leveling and repair. When you have a sunken or uneven floor, the weight of the house becomes unevenly distributed. This causes weaker areas such as the walls to start cracking under pressure. It is particularly common in areas of brick and stonework where the relatively weaker hardened mortar collapses under t...