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Concrete Leveling in Downers Grove, IL

Is your driveway or patio starting to slope, sink, or crack? Uneven concrete is more than a cosmetic issue — it’s a trip hazard and a sign of deeper soil instability. That’s why Perma-Seal offers concrete leveling and raising in Downers Grove using PolyLevel® polyurethane foam.

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Why Does Concrete Settle in Downers Grove?

Downers Grove sits on a variety of soil types — including clay-heavy and moisture-sensitive soils — which makes concrete especially vulnerable to movement. Here are the most common causes:
  • Rainwater erosion from clogged gutters or poor yard drainage
  • Soil expansion and shrinkage due to seasonal changes
  • Improper compaction during original concrete installation
  • Frost heave during cold winters
  • Tree roots lifting or displacing slabs over time

Over the years, these factors create voids beneath your concrete, resulting in dips, cracking, and dangerous uneven surfaces.

PolyLevel® vs. Mudjacking: What’s Better for Your Property?

When comparing repair methods, PolyLevel® polyurethane foam offers clear advantages over traditional mudjacking.

Mudjacking uses a heavy cement slurry that can burden the soil further and take hours or days to cure. PolyLevel, on the other hand, is lightweight, fast-curing, and waterproof. It lifts concrete with precision using small injection holes — reducing mess and preserving the look of your property. Here are the benefits:

  • Quick setting time – walk or drive on it in 15 minutes
  • Clean, minimally invasive process – no major disruption
  • Long-lasting results – won’t wash out or shrink over time
  • Works with clay and moisture-sensitive soil
  • Smaller, less visible injection holes than mudjacking
  • More environmentally friendly
PolyLevel Concrete Leveling

Our Concrete Raising Process in Downers Grove

1. Inspection & Evaluation

Our team inspects the affected areas, identifies the cause of the settlement, and designs a tailored leveling plan.

2. Drill & Prep

We drill small (dime-sized) holes in the slab to allow foam injection access points.

3. Foam Injection (Polyjacking)

We inject high-density polyurethane foam beneath the slab, where it expands and lifts the concrete.

Concrete Areas We Level in Naperville

  • Driveways
  • Sidewalks
  • Patios
  • Steps
  • Pool Decks
  • Garage Floors
  • Porches
  • Basement Slabs

Why Downers Grove Homeowners Choose Perma-Seal

Perma-Seal has served Chicagoland and DuPage County for over 45 years, providing reliable concrete and foundation repair solutions backed by industry-leading warranties.

  • A+ Rated by the Better Business Bureau
  • Trusted by over 500,000 homeowners in the region
  • Certified installers using advanced PolyLevel® technology
  • Transparent estimates with no hidden fees
  • Responsive customer support and proven results

Schedule Your Free Concrete Leveling Estimate in Downers Grove

If your concrete is sinking, cracking, or creating safety concerns, we’re here to help. Don’t wait until the problem gets worse or requires full replacement.If you would like to discuss the solutions above, please feel free to complete the form on our ‘Contact Us’ page or call our team at 800-421-7325 to schedule your complimentary estimate. 

Frequently Asked Questions

Every property is different. We offer free inspections and custom estimates based on your slab size and soil conditions.

Yes — it’s faster, more durable, and less disruptive, with better long-term results.

Yes. In most cases, you can walk or drive on the surface just 2-4 hours after the repair.

Trusted By Thousands of Homeowners

Concrete lifting

Perma-seal did a great job every step of the way! Starting with the in-person quote, the office staff and the technicians. The pricing is very fair and the job was… Read more “Concrete lifting”

Dennis & Danae Beverley

Concrete Raising

Antonio was knowledgeable, friendly and efficient in providing a quote for the service requested. I appreciate his patience and providing thorough information as the rain came down! The videos showing… Read more “Concrete Raising”

Lynne

Concrete Lifting

Great communication skills very professional and Informative

Nikki

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Schedule a Free Consultation & Estimate

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