The hole should be close to the area of the slab that you want to lift and large enough to fit the hose of a slurry pump into it.
Do it yourself garage floor mudjack.
Bricks masonry cinder block paving walking stones asphalt and concrete mudjack or replace garage slab i have had some issues with settling and sinking going on at my house.
You ll need to have the items out of the garage for 48 hours after the second coat is applied.
The first step is to take everything out of your garage.
Cover everything with a tarp in case it rains.
Remove everything from your garage floor.
The hydraulics allow the slurry to raise the concrete to the height it needs to be.
For residential purposes the grout mixture usually consists of water portland cement and some small aggregate sand mixed into it that is capable of being pumped under pressure.
The workers will begin by drilling a hole in the slab of concrete that they will lift.
A jacking pump uses compressed air which forces slab jacking material through an attached hose.
3 hour mudjacking job time lapsed to 1 min 30 seconds sunken garage floor concrete leveling duration.
The average cost of mudjacking 2 to 4 sections of a garage floor is 300 to 900.
Once holes are drilled through the slab and into the soil beneath it the hose feeds the material into the holes.
After this they use a pressurized pump to insert the slurry.
Mudjacking a garage floor is cheaper than repouring new concrete or using a self leveling compound.
Mudjacking is very easy.
As a general rule a garage floor will take no more than four 4 drill holes but ultimately this has to be determined by the skilled mud jacker performing the work.
I typically move a few things into the house and other items into the driveway or yard.
Step 1 drill a hole into the slab of concrete that you want to lift.