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Concrete Leveling

Leveling a settled concrete slab with foam injection is a lot like the old mudjacking or slab jacking technique, except the holes necessary for injecting the foam are much smaller—the diameter of a dime instead of a whole inch. Also, the curing time is measured in minutes instead of hours or days.

Foam injection concrete leveling for your Charleston home is the process in which polyurethane foam is injected as a liquid under the concrete slab. As the foam is injected, it immediately begins to expand, and follows a path of least resistance to effectively fill every void beneath the concrete. Throughout the process, the expanding foam raises the slab and reaches its final volume in just a matter of seconds. What's more, the foam is completely cured and is ready for you to drive a car over the repaired slab in about 15 minutes. 

Foam injection creates minimal dust, once cured will never lose its density, and will maintain its compressive strength year after year. The foam injection concrete leveling process used at your Charleston home will not break down or wash out with water, because gas pockets beneath the slab are sealed by the closed-cell polymer foam. And because the foam process is less messy, it is the perfect solution for the repair of settled slabs that have decorative coatings or aesthetic surface features. To repair a concrete slab that supports a wood floor, you need only cut a small access panel to expose the concrete, then simply put the wood back into place. The same can be done for carpeted areas. Cut a small square then glue it back in place after leveling.

United Structural Systems is a company you can trust. We are a family-owned business and have proudly served our customers with concrete leveling and repairs in Charleston since 1995. We are experts in foundation repair and damage prevention, and are your best bet to repair the concrete slabs that have gone a bit tipsy on your property. Give us a call today and schedule your free concrete repair estimate.

Cracked Concrete Foundation