Before & After
Uneven and sunken concrete slabs along a driveway in Peoria, Illinois, created hazardous tripping conditions and threatened long-term structural damage. Unsealed joints allowed rainwater to penetrate the subbase, eroding the underlying soil and creating voids beneath the driveway flatwork.
To eliminate the hazard without invasive concrete demolition, System Design Specialist Tim Rollet evaluated the site and designed a targeted repair plan using PolyLevel® Concrete Leveling and NexusPro® Joint Sealant through MidAmerica Basement Systems.
Foreman Justin Maddox and crew member Devin S. arrived on-site to execute the precision lift. The team drilled small injection ports through the sunken slabs and pumped high-density PolyLevel polyurethane foam directly beneath the concrete matrix. As the foam expanded, it filled subterranean voids, compacted loose supporting soil, and lifted the heavy slabs back to a level, stable plane.
Following the lift, Justin and Devin S. sealed all cracks and expansion joints with NexusPro Joint Sealant. This flexible, UV-resistant sealant creates a durable barrier that blocks future water infiltration and prevents subgrade soil erosion. The crew patched the injection holes, leaving behind a smooth, safe, and long-lasting driveway surface ready for immediate use.
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