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Expansive Soil: How Does it Cause Foundation Problems?

Last updated 7 years ago

Buying a home is the greatest investment you’ll ever make, so it’s vital to make sure your home is as secure and structurally sound as possible. Unfortunately for many Dallas-area residents, this isn’t as simple as inspecting the way the home was built. Expansive soil is a serious issue affecting homes and buildings throughout North Texas. Take a closer look at what expansive soil is and how it can affect your home’s foundation:

  • What is expansive soil? As its name suggests, expansive soil is able to increase dramatically in volume. Expansion occurs because of increasing moisture content—as water is introduced, expansive soils can increase their volume by 10% or more. Expansive soil can also shrink very quickly as water content diminishes.
  • How does expansive soil affect your home? As you can imagine, constant changes in the volume of soil around your home can be very detrimental to its foundation. Fluctuating soil volume around and under your home can cause uneven shifting and settling. This can lead to cracks throughout your home, as well as substantial damage to your home’s foundation. Expanding and contracting soil can also change the amount of horizontal pressure against the side of your home’s foundation.
  • How can expansive soil be identified? There are a number of different ways to identify soil and foundation issues. First, examine the soil in your backyard; if you notice cracks or fissures that disappear when it rains, and then reappear a few days later, then you probably have expansive soil. Also look for cracks in your basement or on the foundation walls outside your home. 

To prevent or repair foundation damage, reinforcing your home’s foundation is critical. To learn more about foundation repair services, contact Structured Foundation Repairs. We specialize in a wide variety of foundation repair services, including pier and beam installation, drainage correction, and mudjacking. Visit us online or call (972) 484-1200 for more information.


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