Regardless of their construction, walls crack because they are overloaded or because the structure has settled or heaved. Vertical and angled cracks are usually caused by settlement or heaving. Horizontal cracks are more likely to be caused by lateral pressure.
Understanding these foundation cracks is the first step to fixing your foundation. As the illustrations below show cracks come in many forms and have varying meanings. Cracks of .064” or less generally do not leak. Wall cracks that are wider at the top than the bottom indicate settlement.
If you foundation has cracks it is time to contact a foundation expert to diagnose the cause and severity of these cracks. This analysis will also let you know if you are in the need for foundation repair.
My Foundation Repairs always recommends that you contact an engineer before having foundation repair work done on your home.
There are multiple solutions for wall cracks based on
the type of crack you see. If wall cracks are caused by
bowing or leaning walls, wall anchors or carbon fiber
strips can be installed to pull the walls back into
their original position. Both of these options are
strong, long lasting solutions. Cracks can also be
filled with a grouting solution or epoxy based injection
to prevent water stains or leaks. It is important to
depend on your local expert in foundation repair to make
sure the right solution is found for your type of
Basement Crack Types and Their Causes