Serving East Tennessee, Johnson City, Chattanooga, Knoxville


Why Does Concrete Sink, Shift, and Crack?

Monday, February 1st, 2021 by Kristen Owenby

Cracked, uneven concrete is a common problem. Stoops, sidewalks, interior slabs, driveways, and pool decks all shift and settle—but why?

The problem is due to changes in the soil beneath the slab. When soil is saturated with water, it expands. Here in East Tennessee, we have an abundance of clay soil, which retains water. When it dries out, it contracts, causing voids that lead to shifting, sinking, and cracking. 

Rain or water from plumbing problems slips beneath slabs and washes away soils. The concrete has nothing to support its weight, so it sinks. Poorly compacted soil during installation also can lead to settlement.

Cracked, uneven concrete doesn’t just affect curb appeal, but creates tripping hazards! This can result in huge liability issues for homeowners.

Our team has concrete repair down to a science. We use our high-density polyurethane product to bolster, lift, and support sagging concrete—and we do it within a matter of hours! Contact us today for a free quote and to learn more about our concrete repair solutions.


Cracked Concrete

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6226 Clinton Highway, Suite 1
Knoxville, TN 37912
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