How long has Concrete Leveling been in existence?
Accounts of raising large cement slabs through the use of hydraulic pressure go back almost a century. Mudjacking or Slabjacking has been in common use for about 50 years. Refinement of the process to its current state occurred about 20 years ago when Grover Miller an inventor from Peninsula Ohio, began working on A-1’s patented Self-contained pumping truck, combined with a highly-dense crushed limestone material.