Why Does Concrete Sink?

Why Does Outdoor Concrete Sink?

Void in concrete sidewalk

Soil washout can result in empty space beneath your concrete slab, unable to support it. This can lead to cracks and sinking over time.

Concrete is heavy! When the soils underneath a concrete slab are unable to support its weight, the slab will sink.

If part of the concrete slab is supported by soils and other sections are not, the unsupported pieces may crack away from the other section and result in unlevel concrete.

L.R.E. Ground Services, Inc. can inspect the condition of your concrete slab during an on-site estimate. Call us today to schedule a free quote in Tampa, Orlando, Saint Petersburg and surrounding areas.

Primary causes of sinking outdoor concrete

A hoofprint in the mud, showing compacting soils

Soil shrinkage, compaction and settling all have an impact on sinking concrete. Different types of soil have different load-bearing capacities. When a soil's load-bearing capacity is exceeded, the soil will compact and settle.

It's also possible for the soil beneath a slab to settle and compact of its own accord. Soil that contains large amounts of clay and/or silt will shrink substantially when it gets dry.

As the soil compacts underneath a concrete slab, the unsupported slab will sink as well, usually cracking in one or more spots.

Water washing away mud and sediment in rainy weather.

Washout of soils is also possible. Sometimes, the soil that is underneath your driveway, patio, or concrete steps may not necessarily remain there to provide adequate support for the concrete element.

As water moves underneath your concrete slabs, it can wash away the soil that's supporting the weight of the concrete. As this happens, it creates a void, or empty space, underneath. Over time, with nothing to support it, your concrete slab can begin to sink or cave in.

Want a fast solution? Learn more about our PolyLevel® installation in Florida

The good news is that you don't have to live with sunken concrete anymore! Check out our before and after photo gallery to illustrate what PolyLevel® concrete lifting can do for your property!

We would be happy to provide you a free evaluation and cost estimate for PolyLevel® concrete repair in Lakeland, Sarasota, Clearwater, Bradenton, Kissimmee, Daytona Beach, Ocala and other local areas.

Looking for a price? Get a no cost, no obligation free estimate.

our service area

We serve the following areas

  • Atlantic Beach
  • Bostwick
  • Brooker
  • Bryceville
  • Callahan
  • Doctors Inlet
  • East Palatka
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  • Fleming Island
  • Florahome
  • Glen Saint Mary
  • Graham
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  • Greenville
  • Hampton
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  • Madison
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  • Middleburg
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  • Starke
  • Wellborn
  • White Springs
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  • Yulee
Our Locations:

L.R.E. Ground Services, Inc.
1115 South Main Street
Brooksville, FL 34601
1-352-397-4705
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