Driveway slabs
Dropped slabs near a garage or curb are common reasons people ask about raising.
Concrete raising is another way people describe lifting a settled slab back closer to where it belongs.
Concrete raising is another common way people describe lifting a settled slab back closer to where it belongs. Same neighborhood of ideas as leveling and lifting, but the search usually starts with a slab that has clearly dropped.
The contractor may talk about slab jacking, mudjacking, foam lifting, or polyjacking depending on the material and setup. Labels help you search, but the slab condition decides the conversation.
If the surface is still usable, raising may be worth asking about. If the slab is failing, compare against replacement.
What It Usually Means
Concrete raising usually means material is placed underneath a settled slab to lift it and support it. That material might be a slurry, grout, or expanding foam depending on the contractor and the job.
The repair is aimed at settlement. It can help with a sunken slab, a low transition, a trip edge, or water sitting because the slope changed. It is not the same as resurfacing or replacing bad concrete.
If you want to compare method names, the mudjacking vs polyjacking comparison is a good next read.
Where It May Help
Dropped slabs near a garage or curb are common reasons people ask about raising.
Uneven panels may be raised if they settled and remain mostly intact.
A patio that settled or holds water may be worth checking before replacement.
Entry concrete needs a close look because stability and height matter.
Garage floor settlement can be more complicated, but it may still be worth an inspection.
Pool deck panels that settle can create trip edges and drainage issues.
A walkway trip edge is one of those small problems that gets old quickly.
Businesses may need settled entries or walkways looked at before problems grow.
Methods
Settled concrete with workable access
A slurry or grout is pumped under the slab to raise and support it.
When lighter material may be useful
Expanding polyurethane foam lifts the slab and fills space underneath.
Concrete not worth saving
The better choice when the slab is too broken, crumbling, or unstable to lift well.
When It May Work
I would ask about concrete raising when the slab has settled but is still mostly one usable piece. A driveway lip, sidewalk trip hazard, water pooling on concrete, patio slope, or low garage approach can all be worth checking.
A contractor still needs to inspect the slab. The goal is not to force a lifting repair. The goal is to know whether raising is reasonable before you pay for tear-out.
When It May Not
Concrete raising may not be worth it if the slab is crumbling, unstable, badly cracked, too thin, or heaved upward by roots. If the concrete itself is failing, raising it does not fix the surface.
Severe drainage and base problems matter too. If water caused the settling, someone should talk through that before the slab is lifted.
Cost
Concrete raising cost depends on the size of the area, how much it moved, what material is used, and whether the slab is still in good enough shape to raise.
For more detail, see the cost guide.
Concrete Raising FAQs
Usually not by much. Homeowners use both terms for lifting settled concrete back closer to level.
Common methods include mudjacking, slab jacking, foam lifting, and polyjacking.
It can if the underlying cause is not handled, especially water washout or poor support underneath.
Sometimes. A small crack may not be a dealbreaker, but broken-up concrete may need replacement.
Often it can be when the slab is still worth saving, but every project needs its own quote.
This site covers major areas like Springfield, Bloomington-Normal, Decatur, Champaign-Urbana, Peoria, and nearby communities.
Request a Quote
Tell us what dropped, where you're located, and how soon you'd like it looked at. Photos can help once someone reviews it, but they are not required just to start.
Keep Comparing
A few practical next pages if you are still sorting out what makes sense.
Next step
Tell us what is sinking, where you are located, and how soon you would like it looked at. Photos are helpful later, but they are not required to start.