![]() ![]() Then, the differential movement causes cracks or other damages. Issues occur, however, when only part of the home settles. If all the soil beneath a foundation swells uniformly, there usually is no problem. The problem shows up in both slab, and pier and beam type foundations. Since soil movement is rarely uniform, the foundation is subjected to a differential or upheaval. ![]() When unstable soils are used as a base, the movement is transferred to the foundation. In some areas the movement is insignificant in others, it is quite pronounced. Those soils highest in clay content are generally more susceptible while those lowest in clay content are the least affected. An earthquake, flood or drought compromised the structure.Tree roots are growing too close to your home.You experienced a plumbing leak below your home.You live in an area with extreme seasonal changes.The area around the foundation has poor drainage.It was built on improperly compacted fill soils.Your property may be more susceptible to foundation damage if: Variations in moisture cause components of the soil to swell or shrink, leading to movement beneath your foundation. WHAT CAUSES FOUNDATION ISSUES?įor the vast majority of damage, water is the primary culprit. Settlement cracks are nearly always vertical, and they should not be confused with cracks that occur when a wall is subjected to lateral movement from soil pressure. Cracks occur at each side of a portion of the foundation wall that is undergoing downward movement caused by soil bearing failure. If the frame of a house does not begin to distort until after three or more years of satisfactory performance, it is doubtful that the distortion is caused by full-depth foundation settlement, which is always evidenced by matching cracks. Loss or gain of soil moisture can cause serious shrinkage or swelling. This differential movement is largely caused by differences in soil moisture. The trouble occurs when only part of the foundation heaves or settles, causing cracks and other damage. Sixty percent of all homes built on expansive soils suffer from foundation distress. See these foundation problem pictures so you know exactly what to look for at your house.īulging floors, cracked walls, and doors that won't close are all signs of foundation distress. Separation around garage door, windows and/or walls.Here are the common signs of foundation stress: Exterior Warning Signs WHAT ARE THE SIGNS OF FOUNDATION PROBLEMS?Īre you wondering if you have foundation issues? All foundations will settle with time, but problems arise when this settlement is uneven or extreme. ![]()
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