Learn how to spot the difference between harmless and serious cracks in your walls. We asked an expert to explain when and ...

However, most foundation cracks in poured concrete foundations are caused by shrinkage, not settlement. Concrete shrinks 1/16 inch for every 10 feet of length as it cures over time.

There are additional considerations that can affect whether concrete develops cracks. The condition and preparation of the sub-grade is important. If there is ground settlement or frost heaving ...