Uneven sidewalks, driveways, pool decks, and patios can be inconvenient at best and liabilities at worst. But sinking concrete can be repaired without an expensive replacement. A cost-effective way to address these potentially dangerous issues is concrete leveling — a convenient concrete repair alternative to the expensive and disruptive process of removing existing slabs and re-pouring new ones. Concrete leveling is sometimes simply called “concrete jacking,” although concrete leveling encompasses numerous methods of concrete repair services.
How to Level Uneven Concrete
Concrete slabs are typically poured on top of soil, which shifts over time, sometimes producing underground holes. If a void like this does appear, the sinking concrete above it can crack or slide into it, producing an uneven surface. In these scenarios, concrete leveling may be necessary. Typically, United Structural Systems recommends raising concrete slabs with foam (sometimes called foam jacking).
Concrete leveling corrects this issue by injecting polyurethane foam into the void, lifting the slab back into place. Using our proprietary PolyLift system, we insert the foam through small access holes drilled into the top of the concrete. After the holes are patched, leveled concrete can be walked on immediately and driven on after 30 minutes. Concrete lifting with polyurethane is a fast, effective method for fixing sinking, uneven concrete slabs and sidewalks.
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Concrete Leveling Costs
As a rule of thumb, concrete leveling or concrete jacking costs about half as much as concrete replacement and won’t incur supplementary costs such as new landscaping.
Quotes for concrete leveling largely depend on the size of the area in question and are delivered on a cost-per-square-foot basis. The costs can also vary slightly based on the amount of foam needed and the length of the job. The good news is that these factors rarely have a significant effect on the price.
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