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Diagnosing Concrete Cracks in Poured Foundations

Any crack in your foundation is never a good thing. However, not all foundation cracks are equal. Some are structural caused by settlement issues in the soil while others are simply the culprit to your wet basement. The sad truth is: Concrete can't help but crack. It naturally expands and shrinks with the change in the elements. The soil around the wall is going through the same expanding and shrinking process with the weather-shrinking in droughts and expanding in floods. Tree roots, hydrostatic pressure, erosion, and settlement, can all cause cracks in foundation walls. Foundation repair contractors learn to diagnose concrete foundation cracks to determine what is truly causing the cracks and the severity of the problem. Let's start with the basics: Horizontal or vertical? Horizontal Cracks Generally horizontal cracks are structural cracks usually caused from pressure building up on the opposite side of the wall from either an improper backfill or hydrostatic pressure. It cou...