The best way to fix a sunken slab is to inject material underneath it.
Repair sunken concrete walkway.
A concrete walkway does not have to be torn apart and poured again to fix this problem.
A number of companies specialize in concrete injection a process where a special mixture of cement is injected under pressure underneath the slab essentially floating the slab back into position.
There are methods that can be used to raise a sunken slab of virtually any size back to it s original position.
Preparing the ground to support a slab that forms a driveway patio or walkway is an essential.
Concrete sidewalk repair leveling.
A sinking concrete sidewalk or driveway can be caused by erosion from rainwater removing the soil under it or a large root beneath it that has rotted over time.
In either case the only way to fix it and prevent it from sinking further is by jacking up and reinforce the ground under it.
If you re considering repairing a cracked sunken or uneven sidewalk this guide explains why leveling the concrete offers a far easier and cost effective solution than.
Keeping your concrete sidewalk or walkway intact and level preserves the look of your home or business and prevents falls and injuries.
What to do with a sinking concrete slab.
Before you do that be sure to correct the drainage and soil issues that cause the sinking in the first place.