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Slab Lifts : Elevation of a Slab Home New Jersey

The elevation of a slab home requires some of the same processes as a pier and beam home. Level readings are taken and used to keep the home level during the lift process as with a pier and beam home. From there, there are notable differences in the process as follows:

  • If the slab has existing pilings beneath it, they would need to be dug up and each piling exposed, using each one as either a lifting point or a shim. Tunnels are dug under the home to expose the concrete footings where pilings would also exist. As with the perimeter, those pilings are used as jacking points and shims.
  • If the home does not have existing pilings or if the existing pilings are inadequate or have unacceptable spans they will need push segmented pilings to refusal (This is a point at which level piling operation can no longer be continued into the earth without lifting or breaking the structure above.)

Because the slab forms the floor of the house, and occasionally the foundation as well, elevating the house is easier if the house and slab are lifted together. But this technique is more difficult than that used for houses on basement and crawlspace foundations and should be performed only by a highly skilled contractor with extensive experience in lifting slab-on-grade houses.

elevation of a slab home

The wire mesh in the slab is intended to prevent shrinkage cracking during the original construction of the slab and is not intended to provide structural strength. As a result, the hue lifter must take extreme care during the lifting process to avoid breaking the slab and compromising the structural integrity of the house. The elevation process is similar to that used for houses on basement and crawlspace foundations, except that the I-beams must be placed below the slab, which is at ground level. So, the house lifter must dig trenches at intervals around the foundation, and tunnel under the slab. The I-beams are lowered into the trenches and moved into place beneath the slab through the tunnels. The house lifter must also dig holes for the lifting jacks because they have to be placed below the beams. Once the beams and jacks are in place, the lifting process can begin.

To request a quote for our services, please feel free to contact us via e-mail at or call our office at 908-654-8227 / (888) 236-8398. We look forward to hearing from you.


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Our Services

House lifting

House lifting is the process of separating a building from its foundation and temporarily lifting it with hydraulic screw jacks. The process is the first step in structure relocation in which the building is moved to a different location.

House raising

House raising allows you to increase livable space without having to move.House raising can be a less invasive construction process and cost less (than new construction) because you are not disrupting what exists on upper floors.

House Elevation

The process is used when the homes slab and footings are poured together. Initially this involves tunneling under the home and driving push piers based on soil type, to exposing the footing or grade beams.

House Jacking

House Jacking is the process of separating a building from its foundation and temporarily raising it with hydraulic screw jacks. The process is the first step in structure relocation in which the building is moved to a different location.

House Moving

House moving means picking a house up from its foundation and setting it down elsewhere. See why house moving is an alternative to buying a new house..

Structure Lifting

Structure Lifting, Lowering, & Sliding. For projects in which cranes or other conventional handling equipment cannot be used because of excessive weight, dimensions or space limitations, the Heavy Lifting System often provides an effective solution.

Foundation Repair

Foundation Repair and cracking can present significant structural problems for your home along with a reduction in the home’s value. Repairing the foundation of a home is time sensitive—if not repaired quickly, it can lead to additional problems that are unrepairable, and the structure will be unsafe to live in.

Foundation Raising

Raising a foundation is an extreme form of repair in which a house is lifted, the old foundation is removed and a new one is built. This is done in situations where the house is intact, but the supporting structure has extreme damage.

Foundation Leveling

The term “foundation leveling” refers to the process of leveling an uneven concrete slab, crawl space or basement foundation to a satisfactory elevation. Foundation leveling can be accomplished using a wide-variety of different foundation repair methods.

Flooding Services

We have the expertise and the resources to handle any size disaster and can respond immediately to storm and flooding conditions. Professionals are dedicated to responding immediately to water and storm damage emergencies.


Underpinning is the process of strengthening the foundation of an existing building or other structure. Underpinning may be necessary for a variety of reasons: The original foundation isn’t strong or stable enough. The usage of the structure has changed.

House Leveling

House leveling is a term used to describe the process of lifting a home as close to its original state as possible. Leveling a house is usually accomplished by performing foundation repair. A home that is sinking at one end or multiple places likely has a structural problem.

Equipment & Storage

Heavy Equipment & Storage space is a must-have for your super heavy and awkwardly sized equipment, parts, tools, and machinery. WA conveniently store heavy equipment and bulk items from floor to ceiling.

Pyrrhotite Problems

If pyrite or pyrrhotite are present in the rocks underneath buildings, the swelling can push on the foundation, walls, and basement floor of the building, causing cracks and other structural damage. In some cases, groundwater can then transport sulfates into the cracked foundation, causing further damage.

Crumbling Foundations

Presence of pyrrhotite in the concrete combined with moisture and oxygen. Critical element is moisture and the interaction of pyrrhotite with moisture and oxygen. Homes with small amounts of pyrrhotite (less than 0.3%) still can experience crumbling foundations.

Want to mitigate against future flooding or have a question?

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