How long does concrete leveling take?

Most residential jobs take 2–4 hours. A single sidewalk panel can be done in under an hour. Large commercial jobs may take a full day or more.

Does concrete leveling work permanently?

It addresses the void beneath the slab permanently — the void is filled. Whether the area remains stable long-term depends on drainage and soil conditions. In most West Michigan conditions, leveling holds 8–15 years.

Can any settled concrete be leveled?

No. Concrete that's heavily cracked, structurally deteriorated, or crumbling is not a good candidate. Leveling works best on slabs that have settled as a unit and are still structurally sound.

Will I be able to see where the holes were drilled?

Yes on close inspection — the patches are about 1.5–2 inches in diameter. They blend with concrete weathering over time and are far less visible than a full replacement pour.

Is concrete leveling a permanent fix?

For the void — yes. For the ongoing soil conditions that created the void — not unless drainage is addressed. We can tell you what's realistic for your specific site.

How Concrete Leveling Works — The Process Explained

Concrete leveling is the process of lifting a settled slab back to its original position by filling the void beneath it. There's no heavy equipment, no concrete demolition, and no waiting days for a new pour to cure. Here's exactly what happens.

Step 1: Assessment

Before any drilling happens, we walk the property and assess every slab you're concerned about — and sometimes ones you haven't noticed yet.

We look for visible settlement (panels that have dropped relative to adjacent surfaces), tilt (slabs that have rotated rather than dropped uniformly), and separation (gaps where the concrete has pulled away from a foundation, step, or adjacent slab). We probe beneath panels to identify void depth and extent.

The assessment determines how many injection points are needed, how much material will be required, and which method — mudjacking or polyurethane foam — is right for the job.

Step 2: Drilling

We drill small holes through the settled slab — typically 1.5 to 2 inches in diameter for mudjacking, sometimes smaller for poly foam. Hole placement is planned to reach the void beneath the slab efficiently. On a standard driveway panel, this might mean 2–4 holes depending on panel size and how the settlement is distributed.

On decorative or stamped surfaces, we plan holes within pattern elements or joint lines to minimize visibility of the patches.

Step 3: Injection

Mudjacking: A cementitious slurry — a mix of cement, sand, and water — is pumped under pressure through the drill holes. The material fills the void beneath the slab and, as pressure builds, pushes the concrete upward. We monitor the lift carefully and stop when the slab reaches the target grade.

Polyurethane foam: Two-component foam is injected through smaller ports. The components mix at the injection tip and begin expanding immediately — foam expands 15–25 times its liquid volume within seconds. The expansion fills the void and exerts lifting pressure against the underside of the slab. Because foam sets quickly, lift can be controlled in fine increments by injecting small amounts and observing the result before continuing.

Both methods work on the same principle: fill the void, use the pressure of the injected material to push the slab back toward its original position.

Step 4: Patching

Once the slab is level, we patch the drill holes with cement. On plain concrete, patches blend in quickly. On decorative surfaces, we use color-matched fill when possible.

The patches are visible on close inspection — typically 1.5–2 inches in diameter — but blend with normal weathering within a season or two.

Step 5: Cleanup and Cure

We clean the work area, remove equipment, and — depending on method — advise on return-to-use timing.

Mudjacking: Wait 24 hours before vehicle traffic. Foot traffic is generally fine sooner.
Poly foam: Foot traffic is typically safe in 15–30 minutes. Vehicles within an hour.

Total job time for most residential work: 2–4 hours.

What Concrete Leveling Can and Cannot Do

Concrete leveling restores a settled slab to its original position. It does not:

Repair surface cracks (though it stops them from widening due to unsupported span)
Make old concrete look new
Fix slabs that are structurally crumbling or too deteriorated to hold an injection
Guarantee the slab won't move again if the underlying drainage issue isn't addressed

When we assess a job, we're honest about what leveling can realistically accomplish. If a slab is beyond leveling, we say so.