Why Does Your Concrete Sink? A Comprehensive Guide

Why Does Concrete Sink?

Concrete is a durable and long-lasting material that can withstand the elements but is not immune to sinking. Sinking concrete can be a significant problem, both aesthetically and structurally. You might have encountered this issue if you live in Greenville, Spartanburg, Anderson, Pickens, or Laurens. This comprehensive guide will explore the common causes of concrete sinking and what you can do to prevent it.

Cause #1: Soil Settling

One of the most common reasons why concrete sinks are soil settling. When the soil under the concrete compacts or shifts, it can cause the concrete surface to sink. This can happen naturally over time, or changes in moisture levels or other factors can exacerbate it.

Cause #2: Poor Soil Preparation

Another reason why concrete sinks are poor soil preparation. If the soil under the concrete isn’t appropriately compacted or is not the correct type of soil, it can lead to settling and sinking over time.

Cause #3: Water Damage

Water damage is another common cause of the concrete sinking. If water seeps into the soil under the concrete, it can weaken the soil and cause it to settle. This is why it’s essential to have a proper drainage system in place.

Cause #4: Tree Roots

Tree roots can also cause concrete to sink. As trees grow, their roots can spread out and put pressure on the concrete. This can lead to settling and sinking over time.

Cause #5: Heavy Weight and Traffic

Excessive weight and traffic can also cause concrete to sink. This is particularly true if the concrete is not installed on properly prepared soil.

Preventions for Concrete Sinking

There are several things you can do to prevent concrete from sinking, including:

  • Proper Soil Preparation: Ensure the soil under your concrete is appropriately compacted and is the correct type of soil.
  • Regular Maintenance and Repairs: Regular maintenance and repairs can help to prevent concrete sinking by addressing any issues before they become more serious.
  • Installation of a Proper Drainage System: A proper drainage system can help to prevent water damage and settling.
  • Avoid Planting Trees Near Concrete Surfaces: Avoid planting trees near concrete surfaces to reduce the risk of tree roots causing sinking.
  • Avoid Excessive Weight and Traffic: Avoid excessive weight and traffic on concrete surfaces to prevent sinking.


Sinking concrete can be a significant problem, but it’s preventable. By understanding the common causes and taking steps to prevent them, you can ensure that your concrete surfaces remain level and safe. If you live in Greenville, Spartanburg, Anderson, Pickens, or Laurens, and need expert concrete repair and leveling services, don’t hesitate to contact Concrete Fixers. Our team of experts will work with you to find the best solution for your needs.

Don’t wait until your concrete sinks to take action. Contact Concrete Fixers today to schedule a consultation and start preventing concrete from sinking in your South Carolina home or business.

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