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Avatar for Groundworks
Groundworks
4.0(
150
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

Approved (Corporate)

In business since 1986

Free estimates

Warranties offered

"Quicker than I thought, sturdy equipment. Seven jacks, seven concrete disks, a pallet load of gravel, 3 4x4 beams. I do believe is was done right. My floors are level, that's what I wanted. No more bounce."
Foundation
Foundation
Foundation
Foundation
Foundation

+13

253 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Grigg & Sons.
Grigg & Sons.
4.2(
12
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

In business since 1996

Free estimates

Emergency services offered

"They were fantastic. Did everything I asked them to do and did a professional job with every aspect of pouring the pad for my future garage. Installed the floor drain for me just as I asked. Quick response and Quick professional job. VERY HIGHLY RECOMMENDED FOR ANY CONCRETE JOB YOU MAY WANT ?. THANK YOU GENTLEMAN."
Circle Driveway
Carport Slab
Circle Driveway
Additional Photos
Additional Photos

+3

Recommended by81%of homeowners
Avatar for All Dry Of The Carolinas Inc
All Dry Of The Carolinas Inc
4.3(
48
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

In business since 1991

Free estimates

Credit card accepted

"Based on his inspection and my description of the problem, he recommended trying an inexpensive modification to the landscape around the vulnerable point in the foundation before considering All Dry's more expensive interior correction.  I've still got his card on file if the exterior work doesn't do the trick.  No charge for the visit.
"
Additional Photos
Extension
Multiple extensions
Underground extension with outlet
Before

+4

Recommended by90%of homeowners
Avatar for CNT Foundations
CNT Foundations
4.5(
37
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"They didn't end up doing the work. They were really high on what they wanted to do. Other people who looked at the porch said that it was not causing an issue with any water intrusion and that there doesn't seem to be any signs on the posts that this could have been recent, it could have been long ago. So no work was done. It was a front porch that had just the level concrete on one side was dipping just a little bit. I think they were going to pump it up from underneath or something like that to level it out. I would say that their response time and their professionalism of getting the quote to us on a timely manner was good. The quote was high and yet the work was not necessary according to other quotes. They should be honest to say when repairs are necessary and when they are not. The guy who showed up was nice and professional and was on time. There was a decent response time."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+270

Recommended by84%of homeowners
Avatar for CNT Foundations, LLC
CNT Foundations, LLC
3.9(
67
)
Concrete - Injection Leveling - Mudjacking

Serving Union, SC and surrounding areas

In business since 2004

Free estimates

Warranties offered

"They arrived a bit late but I got noticed. The work done was just what I expectef from CNT. Jadon was extra polite and even said he never went undet a house this clear! I rwould give morw than five stars!"
Chimney Repair
Response time1 day
Recommended by81%of homeowners
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Concrete Mudjacking questions, answered by experts

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The total drying time can vary depending on the size of the project. Because the slurry mixture contains cement, it needs to harden fully to prevent the concrete slab from shifting under added weight. You should avoid walking on the concrete or placing heavy items like furniture or vehicles on the surface until it has fully set. Your concrete contractor can provide a precise timeline. As a point of comparison, if you opt for polyjacking, the polyurethane foam can dry in minutes, but it's recommended to wait about an hour before use.

Charges correlate with surface size, settlement depth, and access, often yielding significant savings over concrete replacement.

The timeframe is generally a few hours, allowing for immediate use post-hydration, ensuring minimal disruption to surrounding activities.

The average cost for mudjacking is around $1,200, though prices can range from $300 to $3,400. On a per-square-foot basis, you can expect to pay between $3 and $8, with an average of about $5 per square foot. The final cost depends on several factors, including the square footage of the concrete, the type of slab, its accessibility, whether it is load-bearing, and the type of material used to lift it. Generally, lifting a driveway, small patio, or sidewalk is less expensive than lifting a slab foundation or garage floor.

Yes, expanding foam (also known as polyurethane foam) can lift concrete. This approach, called polyjacking, involves injecting the foam rather than concrete slurry to fill voids and raise the concrete slab back into place. It’s often faster and requires smaller drill holes than traditional mudjacking, though it may come at a higher cost. Some contractors also prefer polyjacking over mudjacking for more damaged and delicate slabs.

The Union, SC homeowners’ guide to concrete mudjacking services

From average costs to expert advice, get all the answers you need to get your job done.