Polyurethane Foam Injection in Mayville, WI
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Polyurethane Foam Injection in Mayville, WI
When concrete slabs, sidewalks, driveways, or foundations begin to sink, it can lead to structural instability, trip hazards, and costly repairs. Traditional methods like mudjacking involve heavy, messy, and less durable solutions. Polyurethane foam injection, however, provides a lightweight, fast, and long-lasting way to lift and stabilize concrete surfaces.
At Mayville Foundation Repair, we specialize in Polyurethane Foam Injection in Mayville, WI, helping homeowners and businesses lift and stabilize their concrete structures efficiently and affordably. Whether you have a sunken driveway, uneven sidewalk, or a settling foundation, our expert team can restore stability with this innovative solution.
Our Services
- Concrete Slab Foundation Repair
- Pier and Beam or Block and Base 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
- Commercial Foundation Repair
- 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 is a modern alternative to traditional mudjacking or slab replacement. It involves injecting expanding polyurethane foam under concrete surfaces to lift and stabilize them quickly and effectively.
Step-by-Step Process of Polyurethane Foam Injection
Inspection and Diagnosis
Our team conducts a detailed assessment to identify:
- Cracks or sinking areas in driveways, sidewalks, patios, and foundations.
- Voids under concrete slabs causing instability.
- Soil erosion or compaction beneath the structure.
- Uneven surfaces or tripping hazards due to settlement.
Injection Process
- Drill Small Injection Holes – Tiny holes (smaller than a dime) are drilled in the sunken concrete.
- Inject Expanding Foam – A high-density polyurethane foam is injected under the slab.
- Foam Expansion & Lifting – The foam expands, lifting the slab back to its original position.
- Sealing & Finishing – Injection holes are patched and sealed, leaving a smooth, finished surface.

Benefits of Polyurethane Foam Injection
1. Fast & Non-Invasive Repair
- Minimal disruption – Foam injection is cleaner and faster than traditional mudjacking.
- No heavy machinery – Does not require large excavation equipment.
2. Strong & Long-Lasting Solution
- High-density foam provides a permanent lift and resists moisture.
- Prevents future sinking by stabilizing the soil beneath the concrete.
3. Lightweight & Soil-Friendly
- Weighs significantly less than traditional mudjacking materials.
- Reduces soil stress and minimizes the risk of future settlement.
4. Waterproof & Weather-Resistant
- Polyurethane foam does not absorb water, unlike traditional slurry mixtures.
- Ideal for preventing erosion and washout under slabs.
5. Cost-Effective Alternative to Concrete Replacement
- Lifting sunken concrete is cheaper than tearing out and replacing slabs.
- Saves time and money by restoring existing concrete surfaces.

What to Expect During Polyurethane Foam Injection
At Mayville Foundation Repair, we ensure a smooth and efficient repair process with minimal disruption to your property.
Step 1: Inspection & Free Estimate
- Evaluate the extent of settlement and determine the best repair method.
- Provide a detailed cost estimate and repair plan.
Step 2: Site Preparation
- Drill small access holes in the affected area.
- Ensure that adjacent structures remain protected.
Step 3: Foam Injection & Lifting
- Inject expanding polyurethane foam under the slab.
- Monitor the gradual lifting of the concrete to the correct level.
Step 4: Final Adjustments & Sealing
- Patch the drilled holes for a seamless finish.
- Conduct a stability test to ensure long-term support.
Step 5: Cleanup & Warranty Information
- Clean the site and provide a lifetime transferable warranty.
- Offer maintenance tips to prevent future settling.

Cost of Polyurethane Foam Injection in Mayville, WI
The cost of polyurethane foam injection varies based on several factors, including:
- Size and depth of the sunken area – Larger or deeper voids require more foam.
- Severity of settlement – More extensive sinking may need additional injections.
- Type of concrete surface – Foundations require more structural foam than sidewalks or patios.
- Site accessibility – Areas that are harder to reach may require additional labor.
Estimated Costs in Mayville, WI:
- Sidewalk or small slab repair: $500–$1,500.
- Driveway or patio leveling: $1,500–$3,500.
- Foundation lifting with foam injection: $3,500–$10,000+.
We offer free estimates and provide financing options to fit your budget.
FAQs About Polyurethane Foam Injection
1. How long does polyurethane foam injection take?
Most residential projects are completed in just a few hours, making it one of the fastest foundation repair solutions available.
2. How soon can I use my concrete after foam injection?
- You can walk on repaired concrete within 15 minutes.
- Driveways and heavy-load areas are usable within a few hours.
3. Will the foam break down over time?
No. High-density polyurethane foam is designed to last decades without degrading. It is waterproof, resistant to extreme temperatures, and does not shrink or break apart over time.
4. Can foam injection be used for foundation repair?
Yes! Polyurethane foam can stabilize and lift sinking foundations when used in combination with piers or underpinning systems.
Looking for Polyurethane Foam Injection Near Me?
If you need Polyurethane Foam Injection in Mayville, WI, trust Mayville Foundation Repair for expert, efficient, and long-lasting solutions.
Call 920-696-8636 today for a free estimate!