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The Process

There are three primary steps to the process:

A hole (or series of holes) is drilled through the surface of the affected area. 

A limestone slurry (grout like) material is pumped into each hole through a pressure nozzle.  This material fills the void below the concrete slab, creating hydraulic pressure, which forces the slab upward.

The slab surface is cleaned and the holes are filled, providing immediate use in most cases.


Raising and leveling concrete is a hydraulic pressure process system used nationwide, as an alternative to removing and replacing existing sunken concrete.



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