Installers drill one or more holes typically two inches in diameter into the sunken section and then inject a slurry of sand cement and water with enough pressure to lift the concrete.
Repair sunken concrete walkway.
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.
The mud jacking process will make sinking concrete walkways level.
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.
The best way to fix a sunken slab is to inject material underneath it.
There is a new method used to fix sinking concrete walkways called mud jacking or slab jacking.
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.
A concrete walkway does not have to be torn apart and poured again to fix this problem.
Preparing the ground to support a slab that forms a driveway patio or walkway is an essential.
Concrete sidewalk repair leveling.
What to do with a sinking concrete slab.
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.