The Process of Concrete Lifting and Concrete Mudjacking

Why Concrete Sinks

Fill dirt is almost always placed along side of house and garage foundations after the foundation work is completed. This fills in voids created during the foundation construction process. Rarely does a builder take the time to compact this dirt.

Soil consists of solid particles, dirt and rock, and the space between these particles. However, large spaces in soil can cause big problems for buildings and concrete slabs. Concentrated loads, such as buildings or slabs can literally squeeze air and water from soils.

When this happens, the soil sinks and the buildings or slabs follow closely behind. Sometimes this process can take days, other times years of pressure, from weight and foot-traffic.


Why Lift the Concrete

If your concrete is sinking, there is a very good possibility that the concrete slab was installed on poorly compacted fill dirt. Shrinking soil and erosion underneath the surface of the slab can also be possibilities.

If you are fortunate enough to have a slabjacker or mudjacker in your area, you should not have to replace the concrete. These individuals can float a slab back to its original position by pumping a special mixture beneath your slab.

They simply drill strategically placed holes into the slab. Using a portable pump and flexible hoses, they fill these holes with the special mixture. Lifting a slab using this method can often be accomplished in as little as a few hours. Often the cost to perform this service is less than half that of replacing a new slab.


The Process

  1. A pattern of small holes are drilled through the sunken slab.
  2. A grout mixture is pumped under the slab with our specialized equipment. Once the void is filled, the grout becomes pressurized, hydraulically raising the slab to the desired height.
  3. The holes are patched using a concrete mixture.

See the demo video Here.

The Benefits of Concrete Lifting

  • It can be walked or driven on almost immediately.
  • Adjacent landscaping and plantings are unaffected.
  • Clean and quick process.
  • Works great for remote and hard access areas.
  • Reduces down time for business and roads.
  • Controlled lifting to desired grades.
  • Very cost effective.