What is Pressure Grouting and How Does it Work?
Pressure Grouting is a  process  that raises a foundation that sunk into the ground. Hydraulic pressure is used to raise the foundation and the void below is stabilized by pumping  concrete grout into it.  Pressure grouting is usually used in cases where the void below a  foundation affects a large surface area.
grout pumping
urethane injection
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This depiction is an example only. Allowing a visual representation of how grout may be used to fill a void. This depiction is not meant to be a precise representation of methods used.  Your engineering firm will determine the amount of grout to be used, the number of injection points and the depth at which the grout injections would start.
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Sinkhole Remediation and Foundation Stabilization Specialists

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