Atlanta, GA

Polyurethane Lifting in Atlanta, GA

Why Concrete Slabs Sink in the First Place

Slabs settle when the soil beneath them compacts or washes away. Water running along edges, poor backfill, plumbing leaks, or organic debris that decomposes can all leave voids. With nothing solid underneath, the slab gradually drops, cracks, and tilts. Polyurethane lifting doesn’t fix the soil itself; it fills the void and supports the slab so it doesn’t keep dropping.

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The Lifting Operation From the Homeowner’s Perspective

From the outside, slab lifting with foam is fairly straightforward:

1. Technicians drill small, strategically placed holes through the slab surface.

2. Injection ports are installed in those holes.

3. Polyurethane foam is pumped beneath the slab, where it expands to fill voids.

4. As foam expands, the slab slowly rises; elevation is monitored constantly.

5. Once the desired height is reached, ports are removed and holes patched.

Where Foam Lifting Makes the Most Sense

Polyurethane lifting is especially useful for:

Driveways and walkways where trip hazards have formed.
Garage floors that slope toward the house or trap water.

Interior slabs where replacing concrete would be highly disruptive.
Situations where adding significant weight (like cement grout) would worsen soil compaction.