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What is Mudjacking?

Mudjacking (or mud jacking) is a more generic term, often applied to any grout-based leveling method. In fact, mudjacking is a specific term for a type of leveling usually associated with injecting a soil-based grout under slabs to perform the concrete repair. So, when asking the question, what is mudjacking concrete? You must first know whether you are thinking of it as a generic concrete leveling term, or the specific process called mudjacking. While A-1 doesn't use this specific method, our process is sometimes lumped in with mudjacking, so we'll talk about both here.

A-1 Concrete provides a superior service to typical residential and commercial mudjacking services. A-1's process uses a stone slurry grout material pumped through 1" holes, while mudjacking uses larger holes, sometimes up to three inches in diameter. Both processes are used to level concrete slabs around homes and businesses, but A-1 has several benefits over typical mudjacking contractors.

Mudjacking Cost

Whether it is for aesthetic or safety reasons, both stone slurry grout leveling and mudjacking are a very cost-effective and efficient way to raise sunken sidewalks, driveways, patios, and basement floors. Having level sidewalks, steps, or driveways can mean peace of mind as kids are playing, the elderly come and go, and when removing ice or snow. Both methods are a proven, practical, and inexpensive alternative to concrete replacement.

Cost for both mudjacking and stone slurry grout leveling can be similar, but due to the fact that contractors can usually complete a job more quickly with the A-1 method of concrete leveling, our services will usually come out a bit lower in price. This is especially true for larger jobs, or where a large void is present under the slab.

Get a free concrete leveling estimate to compare to mudjacking, by clicking here. »

But, price isn't the only factor in determining what method to use. Take a look at the more significant differences below.

Differences between Mudjacking and A-1's Stone Slurry Grout Leveling

The biggest difference between mudjacking and stone slurry Ggrout leveling is hole size. Mudjacking typically uses holes between 2" and 3" in diameter. Stone slurry grout leveling uses holes that are 1" in diameter, or about the size of a quarter.

Another difference is that typically mudjacking uses a mobile cart, that is filled from a hopper on a truck, then wheeled over to the slab that needs to be lifted. Our crews pump directly from the truck, through hoses, at least 200' in length. This can make the process much quicker. The mudjacking carts do have the advantage of being able to get to out of the way concrete slabs, but it can take a very long time to move the cart back and forth between the truck and the slabs to be leveled.

Finally, mudjacking contractors use a soil-based product to pump under the slab, whereas A-1's process uses a pulverized limestone. Unless mudjackers put other additives in their mixture, like portland cement, when complete their foundation is simply soil. Limestone, even without cement added, will dry out and solidify in a near concrete state. This creates a solid base that is much stronger and less likely to wash out or cause more settling.

How Long Does Mudjacking Last?

Both mudjacking and stone slurry grout leveling can last for the life of the concrete above it, provided the original cause of the sinking concrete has been addressed. Stone slurry grout leveling does have a bit of an advantage over traditional mudjacking simply because of the nature of the material, and the tendency for the pulverized limestone to harden to near concrete-like consistency. Once hardened, it would be very unlikely to wash out from beneath the slab, whereas the soil-based material from mudjacking doesn't have that advantage.

See the causes of sinking concrete »

Why Use A-1's Stone Slurry Grout Leveling Over Typical Mudjacking Services?

In the end, whether you call it mudjacking or not, we consider A-1's Concrete Leveling's stone slurry grout leveling process to be superior to traditional mud jacking services. Our service provides:

  • A superior base through a near rock-solid limestone foundation.
  • Smaller holes than mudjacking
  • Quicker leveling process overall

And, every A-1 Concrete Leveling job comes with the following benefits:

  • Save 50% - 70% over the cost of replacement
  • Ready to use the same day
  • No job is too large or too small
  • Environmentally friendly
  • Our work is guaranteed
  • Locally Owned and Operated
  • Supported by our National A-1 Franchise Network
  • A-1 is a fully insured contractor
  • Professionally-trained technicians
  • Patented state of the art equipment


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Michael Miller - Leveler

Michael has been with A-1 since 2018 and is one of our South Bend concrete leveling experts. He knows just what it takes to level any concrete slab back to its original beauty and safety.

250 Reviews - 5 out of 5 stars [READ MORE]

I had a large issue in the driveway of my home. Multiple cracks. It sounded hollowed as you stomp on it in multiple areas. WHAT THEY DID: They filled up the gaps inside. They repaired superficial cracks very well. They brought up the issue of how rain water could be coming under my driveway and causing more cracks in the future, unless prevented with some dirt leveling along the end of the driveway. I so appreciate the advise to minimize problems in the future! HOW THEY DID IT: On budget (Assessment + pricing much better than their direct foam competitor!!!). Professionally (they were cordial; answered all questions before, during and after the service; they were on time and handled the repaired just as they said they would). Awesome experience! Will definitively use them in the future again if needed. I highly recommend them! My job was done months ago. Everything looking great so far!

- Milagros Boedo from Nashville