CRC Concrete Raising - Frequently Asked Questions    


1.  “How does Concrete Raising differ from Mudjacking?”

Concrete Raising uses a cementitious slurry to raise slabs and fill the voids beneath them.  This process of raising concrete with concrete results in a repair that is impervious to water and therefore a more permanent fix.  So permanent, that warranties for work done with this process exceed warranties provided on new concrete installation by two-to-four (2-4) times.

Mudjacking, as the name implies, utilizes a mixture of topsoil, water and admixtures which is hydraulically pumped into a hole drilled in a slab of sunken concrete.  In as much as the material being used to raise the slab is the same material that is under the slab, erosion overtime typically does not result in a long-term fix.





2.  “What will my concrete look like once it has been raised?”

The answer to this question is contingent upon the age and condition of the concrete to be raised, as well as the size of the area to be raised.  Raising concrete requires that holes be drilled into the existing concrete approximately 6 feet apart so as to allow for the slurry to flow into the void (settled area).  The holes are approximately 1 ½” to 1 ¾” in diameter, and are patched with concrete upon completion.





3.  “What will the cost be to have my concrete raised?”

Generally, concrete is either replaced or raised. National averages for replacement vary by exact area and by job.  It is suggested that you contact a local, reputable concrete replacement contractor for an "apples to oranges" comparison.  Generally, the cost to raise existing concrete is approximately 1/3 to 1/2 the cost of replacement (varies by area and job).



4.  “Why CRC?”  
  • Customer Satisfaction
  • Immediate Use
  • Long-term Fix 
  • No Disruption to Surrounding Landscape
  • Reduce Liability 
  • No Environmental Impact


With experience in the concrete industry dating back to 1947, combined with the technological advancements CRC is responsible for, why not CRC?  




Contact CRC for additional information regarding the process of concrete raising.    


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Last modified:11/03/2011

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Special Thanks to CRC Concrete Raising Corporation of America for the pictures, names, and approved quotes found within