Most property owners have no idea how to tell if the cracks in their foundation walls are serious or not. You are not alone. Some “shrinkage cracks” are common in poured concrete walls and floors, but other cracks, such as those in a block foundation are not. In most instances, a foundation crack is an indication that something has shifted or settled – this is especially obvious if a crack is wider at one point than another.
The bottom line with foundation cracks and concerns – it’s always good idea to seek a reputable professional’s opinion.