Methods for Repairing Sunken Concrete Foundations

Early on anyone, trained or untrained, made themselves as “experts” at repairing any type of concrete foundation problems with their own unique type of repairs. More often than not those methods of repairs prove to fail over time, thus resulting in more costs for the homeowners. Reparation techniques varied in the past. Many items were poured, turned, pushed or forcefully put into the ground to save or repair sunken concrete foundations and slabs. Some items used for concrete foundation repair were cement, concrete, steel and wood in earlier years.

Other methods, which worked better and proved to be successful, required for homeowners and business owners to vacate their property. Others simply made it difficult to conduct business or live normal lives while the foundation was been repaired. It is preferred that the foundation or slab is repaired without having to disrupt the properties’ area, including moving any of the furniture, appliances, or vacating the property.


As technology and training has improved, foundation experts have made it easier for homeowners to chose from numerous successful solutions for their foundation problems that have little to no disruption.

There are two common and very popular methods for repairing sunken concrete. Those types of repairs are slab jacking and piering (also known as hydraulic jacking).

Slabjacking Operation. By pumping grout under the slab / beam, it produces a lift, which restores the foundation to the elevation that it was originally at.

Piering aka Hydraulic Jacking. The method of driving steel posts through the unstable soil, while using hydraulic jacks in order raise and stabilize concrete slabs that were damage by changes in the underlying soil. Either method can be used, depending on the type of distress being treated.

How to choose from the two methods to repair a sunken concrete foundation?

By identifying the problem, you can decide on the best course of action to take to repair your foundation. By taking a look at moldings, mortar joints in the brick veneer, trim boards and windows it can be determined if repair is needed, and most important, which method to use.



When repairing small slabs you can use this common method, especially in residential property (slabs, sidewalks, pools, and driveways). Simply pump cement grout into small holes in the concrete slab. The grout will begin to solidify into a dense concrete mass and will prove a competent bearing for the concrete slab.


For problems found in bigger homes or commercial properties where the foundation tends to shift piering is typically used. Piering lifts and stabilize the foundation. Mechanical jacks are strategically placed in order to lift the beam to grade. The beams are then raised in a careful and calculated manner in order to avoid any damages. As it is raised, the beam stays in an elevated level, designed to spread footing and pier.

At this point the footing is placed deep enough, too allow for even distribution of the load to avoid any bulkiness. The footing is then tied with steel which will then support the foundation beam.


abry-logoAbry Brothers Foundation Repair is the oldest and most experienced foundation repair and house leveling company in the country. We’ve been in business since 1840, that’s over 175 years of experience. Through six generations we have continued our dedication to excellence and have become the leader in our industry.  It would be our pleasure to continue that tradition by serving you and your family. Abry Bros. expert foundation specialists have a vast wealth of knowledge along with unmatched experience. Our ability to identify foundation problems in both residential and commercial properties has allowed us to save customers thousands of dollars in repairs, reduce home insurance premiums and give families peace of mind.  Contact Abry Bros Today To Schedule Your Appointment.

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