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Why Concrete Settles

Without addressing the core reason behind your sinking concrete, any repair done could be a temporary fix. At A-1 Concrete Leveling, we want our fixes to be permanent and last for years to come. Because of that, we are always looking for the root causes of every issue.

The reasons why concrete becomes uneven are many, but broadly speaking they can be boiled down to four primary causes, water issues, dry soil conditions, poor compaction, and animal and pest influences. Read below to get more information on each cause of concrete settling.


Water Issues

The number one reason concrete settles is water. Heavy rain or flooding can cause soil to soften, which can cause concrete to sink. Water that freezes and thaws in winter months can also break down soil beneath a slab weakening its ability to support the concrete. Finally, water that continually flows over, and under, concrete can wash out the subsurface, leaving voids that cause the concrete to sink. This can often be a result of downspouts running directly on the ground beside concrete sidewalks or driveways, or poor grading around your concrete slabs.

Causes of concrete settling - water issues

Dry Soil Conditions

Long periods of dry conditions, like during a drought, can cause soils, mainly clay, to shrink. This can result in unstable sub-surfaces, and voids which often lead to sinking concrete. Also, dried out soil that is then soaked with heavy rain can also lead to sinkage due to voids being filled with now moistened soil.

Causes of concrete settling - dry soil conditions

Poor Compaction

During construction, sometimes contractors don’t compact the soil well enough before pouring footers or concrete slabs. This can often happen around foundations where backfill can be poorly compacted, or even worse, debris such as old tree stumps and building material can be shoved in holes before filling. When this debris rots or shifts it can result in sinking soil, leading to uneven concrete or sunken foundations.

Causes of concrete settling - poor compaction

Animal/Pest Influences

Animals such as chipmunks, groundhogs and more can burrow under concrete, creating voids. These voids can also be widened by running water causing even more issues. Even pests like ants can cause quite a bit of perforation of the soil beneath concrete causing the slabs to sink.

Causes of concrete settling - Animal Insect Infestation

The A-1 Concrete Solution

A-1 Concrete Leveling and Foundation Repair has solutions to all of these problems. And without addressing them now, they will simply get worse, causing more damage and increased cost to repair.

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A-1 CLEVELAND EAST
Featured Team Member

johnr
John Romanin - Owner

John has been the owner of A-1 Concrete Leveling Cleveland East since 2001. He is often the one you will meet when you call in for a free estimate. With his years of experience, you know that he will be able to off you the best solution for your job.

509 Reviews - 4.9 out of 5 stars [READ MORE]

These folks do great work. There is an art to this and I'm happy we had them come out. Much cheaper than waiting for worse things to happen and having new concrete poured. I feel much more comfortable with these guys than others because they use limestone slurry vs foam to lift and level. The quote is what you pay and they guarantee their work. Book early. We'll use them in the future on the areas we couldn't get to this year.

- Dan A from Minneapolis

A-1 Concrete Leveling, Inc.
(888) 675-3835
388 S. Main St. Suite 402b,
Akron, OH 44311