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Common Causes of Honeycomb in Concrete

Common Causes of Honeycomb in Concrete
Common Causes of Honeycomb in Concrete

Ever notice your concrete appearing course and rocky, kind of looking like a honeycomb? This is a real issue that occurs in concrete. For insight on what exactly honeycomb in concrete is, as well as the common causes of honeycomb in concrete, read the article below. Maybe you might just find a way to prevent this from occurring and how to treat or repair it if it has already occurred.

What Is It?

Honeycomb is a rough and stony surface that appears on concrete when there are air voids between the course and the aggregate. This happens when insufficient fine material gets into the concrete mixture due to poor mixing or incorrect aggregate grading. Normally, workers can identify this when the shuttering of concrete is removed or using techniques of ultrasonic testing.

Causes of Honeycomb

These hollow pockets known as honeycomb occur when the cavities and areas of the space are not all filled or reached by the poured concrete. Three common causes of honeycomb in concrete include:

  1. Stiff concrete is used.
  2. Improper vibration is used during the concrete process.
  3. There is less cover for reinforcement bars.


While there are more reasons that this occurs, these three mentioned above are the most common reasons.

Remedies for Treatment and Repair

While there are at-home remedies one can use to repair and fix any honeycombing concrete issues, it is best to have a professional look over and assess the best course of action for fixing this problem. In many scenarios, to fix honeycomb, re-concrete might need to take place. This will hopefully help it from occurring in the future.

Read more about – Tips for Choosing a Basement Waterproofing Contractor

If this issue is occurring in your home foundation or concrete in your basement, please reach out to The Real Seal LLC. Our team of professionals can provide you with the best foundation repair in Chicago. Check out our website or give us a call today!


Austin Werner

Austin Werner is the Owner of The Real Seal LLC, a basement waterproofing and foundation repair company. Austin believes that having a highly trained and happy team is the key to success. This is reflected through hundreds of 5 star customer reviews his company has received online.

2 Responses

  1. I have a stairwell poured in 12/2021 , I have so much water after every rain oozing up from the area between the stairwell walls and the stairwell floor. We have tried everything using fastest concrete against the walls and floors then a very thick tar coating the entire area. Also we are placing a drainage tile on the outside of the entire addition, a new roof and now coming soon a new gutter system but still it oozing water. Any suggestions will help. Thanks

    1. Hi Shelly!

      With exterior stairwells, you often get water building up around it. Interior stairwells can have the same issue. We would recommend a drain tile to be installed at the landing at the bottom all around the edges that leads to a sump pump inside. This, if properly installed, will keep the water under control.

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