Concrete Leveling Services
Garage Floor Leveling & Slab Lifting
Lift and stabilize a sinking garage slab without moving a thing off your shelves.
A garage floor that has settled is easy to ignore until something makes it obvious. A tool chest that rolls on its own. A crack running the width of the bay. A door that scrapes at one corner. Underneath all of it is the same cause: the soil that was supposed to hold that slab up gave way.
We lift garage floor slabs back into plane without moving anything off your shelves and without demolishing the floor. Injection holes are about the size of a dime, and the foam does the work from underneath.
Why garage slabs settle so often
Garage pads sit on backfilled soil next to the foundation, and backfill is almost never compacted as well as undisturbed ground. Add water running off the roofline, and the soil under the slab consolidates or washes out. The slab has nothing left to bear on, so it drops. This is also why garage settlement often shows up as one corner dropping rather than the whole floor going down evenly.
What the repair involves
- We map the low areas with a laser level and mark the injection points
- Holes are drilled through the slab, roughly 5/8 of an inch
- Polyurethane foam is injected, filling voids and compacting loose soil before it begins lifting
- The slab rises in controlled stages while we watch the level, often within an eighth of an inch of target
- Holes are patched, and the floor is ready for vehicle traffic as soon as we finish, typically about an hour after we arrive
Will it crack the floor further?
Done properly, no. Lifting happens gradually across multiple injection points so the slab rises as a unit rather than being forced up in one spot. Existing cracks usually close somewhat as the sections return to plane, and we can seal them afterward. If a slab is broken into too many small pieces to lift as a unit, we will tell you honestly rather than sell you a repair that will not hold.
Questions
Garage Floor Leveling questions
How much does concrete leveling cost?
Most residential concrete leveling jobs land between $900 and $2,900, depending on how much slab has to be lifted and how far it has settled. A small sidewalk section or a single sunken driveway panel sits at the low end. A full garage floor or a large pool deck sits at the high end. It is almost always a fraction of tear-out and replacement, which typically runs three to five times more for the same area. We quote the exact number on site for free before any work starts.
Is concrete leveling cheaper than replacing the concrete?
Yes, substantially. Replacement means demolition, hauling away the old slab, new forms, new concrete, and a week of curing before you can use it. Leveling reuses the slab you already have, finishes in a few hours, and you can drive on it the same day. Replacement only makes sense when the concrete itself has failed structurally rather than simply settled.
How long does polyurethane concrete lifting last?
The foam itself does not break down, wash out, or lose volume. It is a closed-cell structural polyurethane that stays inert in the ground indefinitely. What matters is that we fill the voids and compact the loose soil that caused the settlement in the first place, which is why properly injected slabs generally stay put for decades. Ask about the written warranty when we quote your job.
Is polyjacking better than mudjacking?
For nearly every residential job, yes, and the mixture is the reason. Polyurethane is two liquids, resin and iso, that have to meet at an exact 1:1 ratio, and the rig meters that automatically on every injection. Mudjacking slurry is dirt and concrete mixed at whatever ratio that crew happens to use, so two mudjacking contractors can pump genuinely different materials under two identical driveways. Foam also uses 5/8 inch holes instead of two-inch holes, is ready to use immediately instead of in days, and is closed-cell and waterproof so it will not wash out. Mudjacking also cannot lift a house slab.
How long does the job take and when can I use it?
A typical residential job is about an hour on site, and the concrete is ready to use as soon as we pack up. The foam reaches most of its final strength within roughly fifteen minutes of injection, which is why you can park on a driveway the same visit. Mudjacking usually needs 24 to 72 hours before it will carry weight, and a full replacement needs about a week of curing.
Why not just tear it out and pour new concrete?
Replacement has one genuine advantage: the concrete looks brand new, which lifting cannot do. What it does not do is fix the ground. A slab sinks because the soil under it consolidated, washed out, or was never compacted properly, and pouring fresh concrete onto that same soil gives you a new slab sitting on the identical problem. Lifting fills the voids and compacts the subgrade, so it treats the cause. Replacement also costs the most and takes about a week of curing, where lifting is usually about an hour and usable immediately. If your concrete is badly broken or stained rather than simply settled, replacement may genuinely be the right call and we will tell you so.
Where We Work
Garage Floor Leveling near you
Other Services
We also level these.
Driveway Leveling
Close the trip edge at your garage door and stop a settling slab from cracking further.
House Slab Leveling
Settled slab-on-grade foundations lifted back to level, room by room, without demolition.
Patio Leveling
Fix the backward slope that has been draining rainwater toward your foundation.
Pool Deck Leveling
Waterproof foam that will not wash out the next time the deck gets soaked.
Sidewalk Leveling
Raised edges are a trip hazard and a liability. Most walkways are level again in one visit.
Free Estimates
Find out what it costs. Free, no pressure.
We measure the settlement, mark the lift plan, and give you the number on the spot. If your concrete does not need lifting, we will tell you that instead.