Drill at least four holes through the slab at a point that s centered on the void beneath.
Filling voids under concrete slabs.
How to fill voids under a concrete slab step 1.
Connect a hose to a slabjacking pump then run the hose to the holes leading to the void.
This is a means of filling voids underneath concrete slabs by injecting pumping filler materials into the defective areas.
If you see a void opening up under your concrete slabs give the concrete raising and leveling professionals a call we will get you taken care of.
There are several ways to fill material under a concrete slab and remove voids.
A slabjacking pump is.
How to fill voids under a concrete slab.
There are several conventional and alternative void filling materials which can be.
This fills in the void and jacks up the slab.
Holes are drilled in the concrete slab and fill is pumped in to the area where a void is suspected.