Polyurethane Foam Injection in De Pere, WI
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Polyurethane Foam Injection in De Pere, WI
Over time, concrete slabs can sink or become uneven due to soil erosion, poor compaction, and moisture fluctuations. This can create trip hazards, foundation damage, and structural instability. Fortunately, there’s an efficient and non-invasive solution—polyurethane foam injection.
At De Pere Foundation Repair, we specialize in polyurethane foam injection for lifting and leveling sunken concrete surfaces. Whether you have uneven driveways, sidewalks, patios, or foundation slabs, our foam injection process restores stability, safety, and structural integrity without costly and disruptive replacement.
Our Services
- Concrete Slab Foundation Repair
- Basement Wall Repair
- Basement Waterproofing
- Cracked Wall / Structural Repair
- Drainage Services and Repair
- House Raising / Lifting
- House Leveling
- Retaining Wall Repair
- Polyurethane Foam Injection
- Void Filling
- Steel Push Pier Installation
- Slab Pier Installation
- Helical Pier Installation
- Helical Deck Pier Installation
- Pre-Construction Pier Installation
- Foundation Wall Repair
- EverBrace™ Wall Restoration System
- CarbonArmor Wall Stabilization
- GeoLock Wall Anchor System
- PowerBrace Foundation Wall Support

How Polyurethane Foam Injection Works
Polyurethane foam injection, also known as slab jacking or polyjacking, is a cost-effective and durable method for lifting sunken concrete. The process involves:
- Drilling small holes into the affected concrete slab.
- Injecting high-density polyurethane foam beneath the slab.
- Foam expands, filling voids and lifting the slab to its original position.
- The foam cures quickly, providing a long-lasting, stable repair.
This method eliminates uneven surfaces, restores safety, and prevents further sinking without the need for complete slab replacement.

Signs You Need Polyurethane Foam Injection
If you notice any of the following signs of sinking or settling concrete, polyurethane foam injection may be the right solution:
- Uneven or sloping concrete slabs
- Cracks forming in sidewalks, driveways, or patios
- Water pooling in low areas of the slab
- Trip hazards caused by sunken sections
- Gaps forming between a slab and adjacent structures
- Deteriorating or unstable concrete foundations
Ignoring these issues can lead to costly structural damage and potential safety hazards.

Our Polyurethane Foam Injection Solutions
1. Concrete Slab Leveling
We use polyurethane foam to lift and stabilize sunken concrete slabs on driveways, patios, sidewalks, and foundations.
✔ Non-invasive process with minimal disruption
✔ Cost-effective alternative to slab replacement
✔ Cures in just minutes, allowing immediate use
2. Driveway & Sidewalk Lifting
Sunken concrete sidewalks and driveways can pose serious trip hazards and reduce curb appeal. Our process restores an even, safe walking surface.
✔ Eliminates trip hazards
✔ Prevents further slab movement
✔ Enhances property value
3. Foundation Stabilization
For sinking foundations, we inject foam beneath the structure to fill voids and prevent further settlement.
✔ Reinforces weak soil beneath the foundation
✔ Minimally invasive compared to piers
✔ Works in combination with other foundation repair methods
4. Pool Deck Leveling
Sunken pool decks create dangerous tripping hazards and drainage issues. Foam injection restores a level surface without damaging surrounding structures.
✔ Extends the life of your pool deck
✔ Waterproof and resistant to erosion
✔ Fast, clean, and efficient repair.

Cost of Polyurethane Foam Injection in De Pere, WI
Factors That Affect Polyurethane Injection Costs
- Size of the affected area – Larger slabs require more foam and injection points.
- Severity of sinking – Deep voids beneath the slab may require additional foam material.
- Soil conditions – Weak or shifting soil may need extra stabilization measures.
- Type of concrete structure – Driveways, foundations, and pool decks vary in repair complexity.
At De Pere Foundation Repair, we provide affordable polyurethane foam injection services with free estimates and financing options.
FAQs About Polyurethane Foam Injection
1. How long does polyurethane foam injection take?
Most projects take less than a day, and the foam cures within 30 minutes, allowing immediate use of the surface.
2. Is polyurethane foam injection permanent?
Yes! Our high-density foam is durable, waterproof, and resistant to shrinkage, providing long-term stability.
4. Is polyurethane foam injection better than mudjacking?
Yes! Polyurethane foam is lighter, stronger, and cures faster than traditional mudjacking. It also requires smaller drill holes, making it a cleaner solution.
Looking for Polyurethane Foam Injection Near Me?
If you need polyurethane foam injection in De Pere, WI, trust De Pere Foundation Repair. We provide expert solutions for lifting and leveling sunken concrete surfaces.
✔ Free Inspections
✔ Affordable Pricing & Financing Options
✔ Trusted Local Experts
* Call us today at 920-688-4300 for a free consultation!