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Interior Concrete Slab Leveling in the South East

Do you have uneven or unlevel floors in your home? Have you noticed cracks or separations in doorways? If so, you may need interior slab leveling to restore your floors. 

PolyLevel® can restore your unlevel interior slabs to their original condition

what causes uneven floors in a home?

Concrete slabs are often poured on wet, weak, or poorly compacted soil. Over time, this will lead to settlement of the slab, causing uneven floors or cracking. Inside your home, your floor will pull away from walls and doorways, creating gaps at the seams.

This not only creates an uncomfortable home with tripping hazards, it also significantly impacts property value. When prospective buyers have to deal with foundation issues, it can make selling a home very challenging.

uneven floors in a home
Cantey Foundation Specialists

When To Repair Your Concrete Slab?

Uneven or Sloping Floors

If your floor feels unlevel when you walk across it, the slab underneath may have settled. You might notice furniture leaning or gaps forming along baseboards. This often points to soil movement or voids beneath the concrete. Leveling the slab restores stability and helps prevent further shifting.

Cracks in your basement or garage floor are often a sign that part of the slab has dropped. When soil erodes or compacts unevenly, the concrete above it can split under stress. Small cracks can widen over time if the underlying issue is not corrected. Repairing the slab helps stop the movement that causes those cracks.

If parts of your floor feel lower or hollow, there may be empty spaces beneath the slab. These voids develop when supporting soil washes out or shrinks. As the slab loses support, it can settle or become unstable. Lifting it with PolyLevel® fills those gaps and restores solid support.

A noticeable height change between sections of interior concrete is more than cosmetic. It signals uneven settlement below the surface. Left alone, the separation can worsen and create safety concerns. Correcting the elevation protects both your floor and the people walking on it.

In areas with clay-rich soil, changes in moisture can cause expansion and shrinkage beneath your home. That movement affects the slab’s ability to stay level. Over time, repeated soil shifts lead to settling and cracking. Stabilizing the slab addresses the root problem before it spreads further.

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The Best Solution For The Problem

PolyLevel® foam injection levels uneven interior concrete slabs without tearing it out. Expanding foam is placed beneath the slab to fill voids, lift the surface, and create lasting support.

CONCRETE SLAB LEVELING PROCESS

Thorough Interior Slab Inspection

We begin with a detailed inspection of your interior concrete slab. Our team evaluates uneven areas, cracks, and signs of settlement to determine where support has been lost. We identify voids beneath the slab and confirm the underlying cause of movement. This ensures the repair plan targets the real problem, not just the surface symptoms.

01

Precision Drilling

Small holes, typically less than one inch in diameter, are carefully drilled through the affected slab. These access points allow us to reach the empty spaces beneath the concrete. The placement is strategic to ensure even lift and full support. The holes are minimal and designed to preserve the appearance of your interior space.

02

PolyLevel® Foam Injection

High-density PolyLevel polyurethane foam is injected beneath the slab through the drilled holes. The material expands to fill voids caused by soil settlement or erosion. As it spreads, it begins stabilizing and supporting the slab from below. It reaches most of its strength within minutes.

03

Controlled Slab Lifting and Stabilization

As the foam expands, we closely monitor the slab’s movement. The lift is adjusted with precision to restore a level surface. This controlled approach ensures proper alignment without overcorrecting. Once stabilized, the slab is supported by lightweight, durable material that will not overburden weak soils.

04

Sealing and Clean Finish with NexusPro® or SealantPro

After leveling is complete, the drilled holes are sealed to restore a clean appearance. This step helps protect the surface and maintain a finished look. The materials cure quickly, allowing the area to be used shortly after installation. Most homeowners can resume normal activity the same day.

05

Why Choose Cantey for Interior Slab Leveling?

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Minimally Invasive Repair

Small drill holes and targeted foam injection level your slab without tearing out concrete or bringing heavy equipment into your home.

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Fast Cure, Same-Day Use

PolyLevel® hardens quickly and reaches most of its strength within minutes, allowing you to walk on the surface shortly after repair.

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Lightweight but Strong Support

PolyLevel® foam is lightweight yet strong enough to support heavy loads without adding stress to weak or shifting soils beneath your slab.

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Waterproof and Long-Lasting

PolyLevel® is waterproof and inert, helping resist erosion and breakdown that can affect traditional materials over time.

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Cleaner Alternative to Mudjacking

Unlike mudjacking, PolyLevel® does not rely on heavy slurry. The process is precise, controlled, and well suited for interior spaces.

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Installed by Trained Professionals

As an authorized PolyLevel® installer, our team follows proven methods and stands behind the work with trusted expertise and warranty protection.

Benefits of Our Interior Slab Leveling

Our Customers Say it Best

Ask about our financing options

Cantey Foundation Specialists offers flexible, easy to understand financing options for homeowners. During our in-house visit, your specialist will help you find the financing options that work for YOU!

Fixed

Rate

12.99% for 120mos

6 Mos

No Interest

No Payments

12 Mos

No Interest

With Min Payments

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How fast can I walk on it?

PolyLevel® reaches most of its strength within about 15 to 30 minutes after injection. In most cases, you can walk on the repaired surface shortly after the work is completed. This quick cure time minimizes downtime inside your home. You will not have to wait days for the slab to be usable again.

PolyLevel® uses a lightweight, high-density polyurethane foam instead of a heavy cement slurry. The foam is waterproof and does not degrade over time, helping resist future erosion beneath the slab. Because it is lighter, it will not add extra stress to already weak soils. It also allows for more precise lifting and faster cure times.

PolyLevel® can be installed year-round. Unlike some traditional methods, it is not affected by cold temperatures in the same way. This allows interior slab leveling to be completed during different seasons without long delays. Your repair schedule is not limited to warm weather months.

PolyLevel® fills voids beneath the slab and helps compact the supporting soil. By restoring proper support, it reduces the risk of continued settlement. While no repair can control all future soil movement, this system is designed to create long-term stability. Addressing the underlying voids is key to preventing recurring sinking.

The process is minimally invasive and does not require removing the slab. Small holes are drilled, and the foam is injected beneath the surface. There is no heavy excavation or large equipment brought inside your home. Most projects are completed quickly with minimal cleanup.

frequently asked questions about interior slab leveling

Get a free inspection of your interior slab

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