Concrete Leveling FAQ

Concrete slabs themselves don't usually deteriorate — the soil underneath them does. Common causes include soil compaction over time, erosion from water runoff, poor original sub-base preparation, freeze-thaw cycles, and organic material that decomposes under the slab and leaves a void. Once support underneath the slab is lost, gravity and traffic load cause it to settle unevenly.

Mudjacking uses a cement-based slurry pumped beneath the slab to fill voids and lift it, typically through larger drilled holes. Polyjacking uses an expanding polyurethane foam injected through smaller holes. Foam is generally lighter and more water-resistant, while slurry is a heavier, longer-established material. Cost, hole size, cure time, and suitability for your specific project varies by contractor and by soil/site conditions — a local contractor can advise which fits your project best.

Cost varies by contractor, region, slab size, method (mudjacking vs. polyjacking), and how much lifting is needed. There isn't a single reliable number we can quote here — pricing varies by contractor and project, which is exactly why getting a few quotes from local pros is useful.

Many residential leveling jobs (a driveway panel, a sidewalk slab, a small patio) can be completed in a matter of hours to a single day, but this varies by contractor, method, equipment, and the size/scope of the project. A contractor can give you a project-specific estimate after assessing the site.

Concrete leveling addresses the existing void and settling at the time of the repair, but if the underlying cause (drainage, soil erosion, an ongoing leak, etc.) isn't resolved, settling can recur over time. Ask your contractor what, if anything, they recommend to address the root cause, and what warranty (if any) they offer — warranty terms vary by contractor.

Leveling raises a slab back toward its original position; it doesn't repair existing cracks, though many contractors can seal or patch cracks as part of the job. Whether leveling makes sense versus full replacement depends on the extent of cracking, slab age, and condition — this varies by contractor and by inspection findings.

In many cases, leveling costs less than full slab removal and replacement, since it reuses the existing concrete rather than requiring demolition, disposal, forming, and a new pour. That said, actual cost comparisons vary by contractor, project scope, and site conditions — a quote from a local pro is the most reliable way to compare.

Most leveling methods involve small drilled holes and don't require large-scale excavation, so impact on landscaping is typically minimal compared to full replacement. Access needs (e.g., temporarily blocking a driveway) vary by contractor and project — ask about this when you get your quote.

This depends on the contractor's process and whether it's an initial assessment or the actual leveling work. Many contractors can provide an initial estimate without you being present, but policies vary — the contractor who contacts you can confirm what's needed.

Always ask any contractor directly for proof of their business license, insurance, and any relevant certifications before hiring them, and verify this information independently if possible (for example, through Nebraska or Iowa state licensing resources, if applicable in your area). Omaha Concrete Lift does not verify, certify, or guarantee the licensing or insurance status of contractors in its network — see our referral disclosure.