The Best Repair Methods for Sunken Concrete

concrete leveling
January 5, 2022

Whether it’s on your sidewalk or your driveway, a sunken section of concrete can look unsightly and create a major tripping hazard. There are a number of ways to perform a sinking concrete repair. Here are the best ones we’ve found.

Replacing or Repairing Concrete

If you don’t want to bother with one of the repairs below, or if the concrete is cracked or otherwise damaged, the best option might be to repair or replace it. Our experts, who all know how to fix sinking concrete, can make a patch that brings the concrete back to level.

On the positive side, patches take away the tripping hazard quickly and cheaply. However, they don’t look much better than simply leaving the concrete out of level. While our team will blend your patch as much as we can, there’s no way to make it identical to the concrete you already have.

If the concrete has suffered cracking or other damage, you may want to replace it. All of our experts know how to repair sunken concrete in this way. We will help you get the best concrete product for your needs and make sure all is level before we leave.

how to fix sunken concrete

Mudjacking

Another way of performing a sinking concrete repair is to use mudjacking. In this process, we will drill small holes into your concrete. We’ll inject a “mud” – usually a mixture of sand, water, and slurry – under your sunken concrete. This fills in empty spaces below the concrete, and we keep injecting it until it raises the sunken parts.

Our professionals who know how to fix sinking concrete recommend letting this mud dry and harden for at least 2 days before you drive or walk on it. The minimum cost for bringing out our rig may be more than you want to pay to fix a small patch of sunken concrete. You can always split the cost among neighbors with similar problems, though this takes some effort to organize.

Polyurethane Foam

Finally, we can also inject closed-cell polyurethane foam under your sunken concrete. This foam performs your sinking concrete repair in a way that is similar to mudjacking, but it hardens much faster.

The process for injecting the foam is much the same as with mudjacking. Our team will drill small holes in your concrete, then inject the foam. It will expand and harden, raising your concrete. The closed-cell nature of the foam means that it should not be susceptible to breakdown by water.

Call KC Waterproofing and Foundation Repair Today!

There’s no single way to perform a sinking concrete repair. When you need someone who knows how to repair sunken concrete to come to help you decide how to fix yours, contact us at KC Waterproofing and Foundation Repair. We’ll have an expert at your door ASAP.

Our expert will assess your needs, then recommend the best way to repair your sunken concrete. We’ll start working as soon as we can so you can get your home back to normal fast!

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Satisfied Customer Reviews

Ryan and his team did a great job on our repair. The weather was poor, and they were rained on heavily but spent several hard days completing our project. They were friendly and knowledgeable and made sure I knew how future water drainage would be mitigated. I recommend them and KC Waterproofing to anybody around.
Mario completed our foundation repairs today and did a good job. He was thorough and took care of everything we needed. Appreciated that he put in extra effort to make sure the work was done properly.​​​​​​​​​​​​​​​!
KC Waterproofing turned our nightmare of a house into a brand new home. We bought our house a year ago, it had prior foundation repair done. We called a “structural engineer” to come out before we bought, and he assured us our house was okay. After multiple floods in our basement and the prior company refusing to return our phone calls, we started getting multiple bids. Choosing KC Waterproofing was very easy. They quoted us for what really needed to be done and told us what we could do ourselves to save money. I never thought I would trust again until I met these guys.. The CEO, Don Deary is a truly an amazing guy. He came to the house twice to check on the progress of the project. The workers were very knowledgeable, and respectful. The quality of work for the price we paid, is unmatched. Thank you so much KC Waterproofing.
Awesome work by KC Waterproofing! Highly recommend using this company for any foundation issues and beyond!
I had a great experience with KC Waterproofing, and they were able to help me when I was in a pinch and needed some minor foundation repair done very quickly. Don was very responsive and helpful during the inspection process and Mario was fantastic in answering my questions and getting the work done efficient during the crack injection process.
Mario came out to fix and adjust sump pupil pipes and did a fantastic job! On time, very thorough, explained what he did and was very friendly.
We were very pleased with KC Waterproofing. They arrived on time every day and cleaned up before leaving each night. The crew that worked on our foundation were polite, friendly, and knowledgeable. Overall, we are completely satisfied with the job that they did. We just had our first big rain after the repair and we didn’t have any leakage at all!
We had a very good experience with KC Waterproofing foundation repair on our house in south Kansas City in February and highly recommend you give them an opportunity to look at your foundation for an estimate and any work to be done.
Ryan and his crew did a great job. Got the job done quick and was very receptive of questions and concerns I had.
Used twice for different sets of work, wonderful each time. Fran on the advisement side, Don the owner, and both Julian and Jackson were great team leads. Clean, quick, and thorough.
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