Why Concrete Sinks in St. Charles
Many homeowners are surprised to learn just how much the ground beneath their home affects the stability of their concrete. In St. Charles County, the soil is heavy with clay, which swells when it soaks up rainwater and shrinks when conditions turn dry. Add the pounding spring storms, icy winter freeze-thaw cycles, and everyday traffic from cars and foot traffic, and it’s easy to see why slabs eventually shift out of place. Over the years, erosion and hollow pockets beneath your concrete leave nothing to support those heavy slabs, and they start to sink, tilt, or crack.
You might notice early warning signs such as:
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Uneven driveways that make pulling in and out a hassle
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Water pooling on patios or near your foundation after rain
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Sidewalks with edges that stick up and create tripping risks
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Cracks creeping across garage floors or pool decks
If ignored, these issues don’t just stay the same—they grow worse. Small gaps can widen, trip hazards can become serious safety concerns, and water pooling near your home can even threaten your basement or foundation over time.