Summer Heat, Shifting Soil: How Weather Messes with Your Foundation

When most people think of summer problems around the house, they imagine high energy bills or keeping the lawn green. But one of the most serious—and most overlooked—issues caused by hot weather is foundation damage. As temperatures rise and rainfall becomes inconsistent, the soil beneath your home begins to shift. These changes might not be visible from the outside, but underneath the surface, your foundation could be moving, cracking, or settling in ways that will cost you big later.

During the summer, the heat causes moisture in the soil to evaporate. As the soil dries out, it shrinks. This shrinkage can create empty pockets or gaps under your foundation that used to be filled with stable, compacted earth. Without proper support, sections of your foundation can begin to settle unevenly. Over time, this can lead to cracks in your walls or floors, doors and windows that no longer open smoothly, and even structural instability.

To make matters worse, not all soil settles the same way. Some types, like clay-heavy soils, are more reactive to moisture changes. When it rains, the soil expands; when it’s dry, it shrinks. These constant shifts can cause a push-and-pull effect on your foundation—leading to cracks, bowing walls, or movement that disrupts your entire home’s structure.

Even landscaping choices can play a role. Trees and large shrubs near your home compete for moisture and can dry out the surrounding soil even faster, making the effects of summer heat even more severe. While greenery adds curb appeal, it can also unintentionally contribute to the conditions that weaken your foundation.

Many homeowners don’t realize anything is wrong until the signs start showing up indoors: cracked drywall, floors that feel uneven, or water seeping into the basement after a sudden rainstorm. By that point, what started as a natural reaction to summer heat has become a serious problem—and often, an expensive one.

The good news? Foundation issues caused by shifting summer soil are both predictable and preventable. At Woods Basement Systems, we offer professional inspections that catch early signs of trouble before they turn into costly repairs. Our team can recommend custom solutions—from foundation piers to waterproofing systems—that keep your home stable, no matter what the weather is doing.

Don’t wait for cracks to appear before you act. The summer sun may feel great—but it’s not so great for your foundation. Call Woods today—your local foundation experts—so you can enjoy the season without worrying about what’s happening beneath your home.