Settled Driveway Sections Lifted With Polyurethane Foam

Epp Foundation Repair lifts driveway sections across Nebraska, Iowa, Kansas, and Missouri with concrete leveling by polyurethane foam, and three causes account for most of what crews see. First, loess fill (the wind-deposited silt that blankets this region) hydroconsolidates when it gets wet, meaning soil particles collapse into tighter packing the first time they saturate. A residential driveway poured over disturbed loess fill can settle. Second, downspout discharge erodes sub-slab fill from the edges inward, leaving voids that the slab eventually drops into. Third, plumbing or utility-trench backfill compacted to a lower standard than the surrounding subgrade creates a long settlement line that mirrors the trench beneath the driveway. The trouble spots repeat: the driveway-to-garage apron sinks first because the slab is thinnest and bears the highest concentrated vehicle weight; the driveway-to-street apron settles because the city's right-of-way backfill is rarely compacted to the same standard as the homeowner's drive; the joint between driveway and sidewalk settles because the two slabs were poured against each other without a tied connection. Crews diagnose which one is in play before drilling a single hole.

Epp's polyurethane foam process is built around mid-soil injection: foam delivered into the soil column, not just sprayed under the slab surface. The installation crew walks the driveway with a laser level, marks every low point and measures the differential against the high reference, then drills injection holes in a grid pattern, with the number per panel depending on settlement severity. Polyurethane foam injects through those holes under controlled pressure. The foam expands, fills the void, then continues to expand into the soil itself, densifying weak fill mid-column. Crews monitor lift in real time with the laser and stop at target elevation. Holes get patched with color-matched mortar or caulk. The slab is back in service far sooner than a replacement pour, which needs time to cure before anyone drives on it.

Epp Foundation Repair does not perform mudjacking. Every driveway lift uses polyurethane foam instead, because it wins on the factors that matter for a residential drive: injection holes are smaller than the holes an older slurry lift needs (smaller patches, less cosmetic impact); foam is far lighter than mudjacking slurry (foam doesn't add weight that could re-settle the soil); foam cures faster than mudjacking slurry. ## What Driveway Leveling Costs

Customized Repair Estimate after on-site inspection reflects your scope.

Epp Foundation Repair lifts what's salvageable first, since that is usually the cheaper and faster fix. When a slab is cracked beyond repair, the recommendation is a new pour, not a foam attempt. Crews do not fix the water source that caused the settlement: downspout extensions, gutter repair, regrading the yard so water drains away from the driveway. Those are homeowner scope or a landscape contractor's call. The driveway lift is a structural correction; the water fix is a maintenance correction. Both have to happen or the settlement comes back. Expansion joint sealing is a separate add-on if the homeowner wants it. Decorative or stamped concrete can be lifted but injection-hole patches will not perfectly match the pattern.

Do not pay to lift a slab with wide driveway cracks combined with spalling on the surface. That concrete has lost too much structural integrity to behave as a unit during lift, and the right answer is replacement. Do not lift over an active downspout washout. The void will reopen and the slab will settle again. Address the water source first, then lift, in that order. Epp Foundation Repair will say so at the estimate when soil conditions mean a lift is likely to fail.

BBB A+ rated and a BBB Integrity Award winner. Crews serve Nebraska, Iowa, Kansas, and Missouri. Customized Repair Estimate, written scope, and a written PolyLift warranty. The honest part: if the driveway needs replacement, the inspection will say so before the contract is signed.