After the geolift has done its magical work the last thing left to do is patching up the holes.
Raise concrete slab with foam.
We suggest using an air purged gun to deliver foam under the slab.
More about concrete slabjacking.
Use 5 8 inch masonry bit to drill a hole through the concrete and spray the foam into it.
A good solution for diyers.
Patch up the holes with concrete and your new driveway or sidewalk or walkway will look good as new.
Concrete raising is the alternative to costly replacement.
Holes are drilled through the sunken slabs foam is pumped under the slab raising it to the desired height.
If it is done correctly.
You can avoid this expense if you do it yourself with the help of a jacking pump which can raise the concrete slab to the needed level.
Stabil solutions concrete raising service can raise and repair your sunken concrete slab or sidewalk at a fraction of the cost of concrete replacement.
Sand also has air in it but it may be a better option for the do it yourselfer trying to raise concrete.
It caused people to trip stepping up and to st.
Lifting a sunken slab may be necessary to level the surface.
The average 4 inch thick concrete slab only weighs 1 3 of a pound per square inch.
Hiring a professional service to lift or jack up the slab can be costly.
Raising concrete with polyurethane foam is done with incremental injections.
Lifting foam will fully expand within 10 15 seconds allowing you to monitor the raising and preventing over raising the slab.
The 6 ft x 6 ft sidewalk slab at our front stoop had sunk on one end to a 10 1 2 inch step.
This process is much the same as mud jacking an older method that uses a concrete slurry mixture to obtain the same results.
Foam jacking is a concrete slab repair method that uses a high density polyurethane foam to raise the slab.
Locate the dips get the right equipment and foam.
The foam will expand and harden filling the void in the ground and leveling the driveway.
Smaller sections of sunken concrete can be cut out using a wet saw and then lifted out with a crowbar.