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Avatar for Groundworks
Groundworks
4.7(
474
)

Serving Harmony, NC and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2003

Free estimates

Emergency services offered

"Goliath Wendell and Daniel Carter were very open and honest regarding the potential issues of trying to refloat the slab to level it out. They pointed out the problem could actually get worse and there probably was not any void areas under the concrete to fill with polymer. They also pointed out the existing cracks would likely widen and openup an elevation gap between two slabs. I really appreciate their advice"
Foundation
Foundation
Foundation
Foundation
Foundation

+16

109 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Vanguard Concrete Creations, LLC
Vanguard Concrete Creations, LLC
5.0(
8
)

Serving Harmony, NC and surrounding areas

Approved

In business since 2025

Free estimates

Offers commercial services

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.\n

Concrete driveway
Concrete driveway
Concrete driveway
Concrete driveway
Concrete driveway

+3

Tar Heel Basement Systems, LLC
New to Angi

Serving Harmony, NC and surrounding areas

Approved (Corporate)

In business since 2003

Free estimates

Credit card accepted

Tar Heel Basement Systems, A Groundworks Company, specializes in helping homeowners with their foundation repair, basement waterproofing, crawl space encapsulation, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across North Carolina. With fully trained technicians, industry-leading products, and nationally backed warranties, Tar Heel Basement Systems is here to restore your foundation or crawlspace.

Avatar for Saber Concrete and Foundation
Saber Concrete and Foundation
4.8(
52
)

Serving Harmony, NC and surrounding areas

In business since 1999

Free estimates

Credit card accepted

"Josh is truly the best. I try to seek out the best for my area, and Josh with Saber concrete and foundations was the best. A portion of crack in garage floor had dropped as well as a couple sections of driveway with many cracks. Driveway and garage floor level and all cracks filled. Garage floor and driveway are both over 25 years old. The work he did will allow me to not worry about replacement for many years. He knows his business and provides exceltional work. Very responsive when needed. He's honest about the project and his crew are hard working. He cares about his customers. Good work is always my #1 concern and and was not disappointed. It was just an extra that he is also a very kind caring person. Good job Josh."
Recommended by100%of homeowners
Avatar for Cantey Foundation Specialists
Cantey Foundation Specialists
4.0(
32
)

Serving Harmony, NC and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"We found Cantey Foundations to be the solution to our sagging floors and cracking walls - even after speaking with some of the other popular alternatives. Our team, consisting of Dallas, Corey, David, Dallas and Alex((2 Dallases),were professional, knowledgeable, polite and efficient. Not only did we see a definite change in the sloping floors, but the cracks closed up and doors stopped sticking. When the crew was done, they cleaned up everything. Although it is only a week since the work, we do not have any concerns because of Cantey's warranty, which guarantees the work for 25 years. We were able to put off other recommended work for a later date, and plan to take advantage of that when our pocketbook allows. I will have no problem calling them back."
Before PolyLevel LIft
New Gutter Shutter System
Concrete Before Columbia, SC
Driveway Level & Lifted
This is just one of the foundation cracks we found on this foundation. It's what we call a stair-step crack.

+137

Recommended by90%of homeowners
Avatar for Locklear Builders
Locklear Builders
5.0(
5
)

Serving Harmony, NC and surrounding areas

In business since 2020

Free estimates

Credit card accepted

"Locklear builders did an excellent job on my new driveway! The removed the existing one replaced the current in a matter of 2 days. They performed the job and completed it and very professional and timely manner. I highly recommend locklear builders for all your concrete needs !"
Recommended by100%of homeowners
Showing 1-10 of 31
Concrete Leveling questions, answered by experts

Concrete leveling can last anywhere from five to 10 years or more, and in some cases, it can be a permanent solution. The longevity depends on the method used and whether the underlying cause of the sinking is addressed. For example, mudjacking typically lasts five to 10 years, while polyjacking can last for 20 years or more. It's best to consult a professional for an accurate timeline based on your specific situation and any factors that could cause the issue to recur.

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.

A slurry of cement, sand, and water is injected beneath the concrete to lift and stabilize it.

It restores concrete, prevents replacement cost disruptions, reduces trip hazards, and provides stability at a lower cost.

There is no real alternative to underpinning, although mudjacking and polyjacking are other repair methods that can add support from underneath your foundation. Rather than placing supportive piers under your structure, these involve pumping a material under your slab to lift a sunken section back into its original position. Polyjacking, in particular, is sometimes a suitable solution for stabilization issues under slab foundations, but underpinning is often accepted as the best and most permanent solution.

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