Does expanding foam lift concrete?

• <div><p>Yes, expanding foam (also known as polyurethane foam) can lift concrete. This approach, called polyjacking, involves injecting the foam rather than concrete slurry to fill voids and raise the concrete slab back into place. It’s often faster and requires smaller drill holes than traditional mudjacking, though it may come at a higher cost. Some contractors also prefer <a href="https://www.angi.com/articles/mudjacking-vs-polyjacking.htm">polyjacking over mudjacking</a> for more damaged and delicate slabs.</p></div>

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Q: Do concrete mudjacking companies need to be licensed?

• <div><p>Most states and municipalities don&rsquo;t require concrete mudjacking companies to carry a specific license, but they usually need to have a general contractor&rsquo;s license, and they should be fully insured. The only exception is if the mudjacking company provides foundation repairs as well, or if it offers mudjacking for home foundations. In that case, they will typically need a foundation repair contractor&rsquo;s license. You can check state requirements and then use Angi&rsquo;s <a href="https://www.angi.com/angi-license-check.htm">license lookup tool</a> to confirm that a company is properly licensed to provide mudjacking services in your area.</p></div>

Q: How long does polyjacking last?

• <div><p>Polyjacking can be a permanent solution to sunken concrete if you also address the underlying issue&mdash;like poor drainage&mdash;at the same time. The polyurethane material itself can last as long as or even outlast the concrete you&rsquo;re lifting it with. Your sunken concrete issue will likely return if you don&rsquo;t couple polyjacking with proper drainage to prevent future soil movement and sinking. </p></div>

Q: How much does mudjacking cost?

• <div><p>The average cost for mudjacking is around $1,200, though prices can range from $300 to $3,400. On a per-square-foot basis, you can expect to pay between $3 and $8, with an average of about $5 per square foot. The final cost depends on several factors, including the square footage of the concrete, the type of slab, its accessibility, whether it is load-bearing, and the type of material used to lift it. Generally, lifting a driveway, small patio, or sidewalk is less expensive than lifting a slab foundation or garage floor.</p></div>

Q: How much foundation sinking is too much?

• <div><p>Most houses are expected to settle over time, but foundation sinking of more than a few inches or uneven sinking of more than an inch for every 20 feet is cause for concern. Any significant or uneven sinking should be assessed by a professional to determine the cause and perform any necessary repairs. </p></div>

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Verified Reviews for Concrete Leveling pros in King, WI

*The Angi rating for Concrete Leveling companies in King, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Leveling needs.

*The HomeAdvisor rating for Concrete Leveling companies in King, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Leveling needs.

Last update on January 20, 2026

Reviewed in January 2026
Central Wisconsin Excavating (CWE) did a fantastic job on our project. They built a solid, well-prepared foundation for our 80,000-bushel grain bin and graded our driveways perfectly to ensure water drains away from our buildings. Their attention to detail, quality of work, and professionalism...
Central Wisconsin Excavating
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Reviewed in July 2025
Jeff did an EXCELLENT job!!! We have a lake house... alot of mold, bugs, pine pollen and pine needles!. Jeff was able to clean it all, even the windows, concrete patio and sidewalks look new! Our home looks beautiful. I recommend Jeff to anyone whose property needs a good cleaning! We are...
Renew Pressure Washing, LLC
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Reviewed in May 2024
These guys did a fabulous job and came & worked through the night to help us accomplish our goal!! I can't say enough about how stunning our floors are from the work they have done for us!! I suggest if your looking to restore your concrete floors I'd definitely go with these guys!!!
Exotic Concrete Coatings
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Reviewed in August 2023
Armando power washed and resanded my patio and front walkway, it looks terrific! He also took apart my stone grill area which was not level anymore. Took it apart, leveled it and put it back together so that we could have a new stone top installed.
El Mirador
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Reviewed in June 2023
Did a great job of leveling my garage ?
Sure-Dry, LLC
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Reviewed in December 2022
Tim has helped me out with a few different trailer rebuilds. He has a vast knowledge of welding and never cuts corners. Tim goes above and beyond with the projects he takes on.
DBA Warrior Welding
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Reviewed in April 2020
Started out ok, gave good sales pitch and seemed knowledgeable but then it was all downhill. Save yourself the headache and stress, go with a different contractor. The project started 2 mo behind schedule and finished (mostly) 3 months behind schedule. We were told we could use the...
Sweetwood Builders
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Reviewed in December 2018
We can’t say enough about how pleased we were with the work Accurate Basement Repair did for us. As long as we’ve owned our home, we’ve had a foundation water leak in one area of our basement. Since our house was built in the 1920’s, we don’t have a sump pump but the leakage was relatively minor...
Accurate Basement Repair
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Reviewed in March 2018
The service was very thorough and the technician was professional and personable. Furnace was cleaned and tuned. Drain cleaned and trap cleared. Air filter replaced. Ignighter ohms, ductwork temperatures, and carbon dioxide levels in exhaust were measured and reported. Price listed includes...
Christensen & Wisnet Heating & Cooling
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Reviewed in July 2014
We had Hyler come out to do a septic tank inspection for our cottage in central Wisconsin. We have a fairly steep driveway going down to a parking area for the cottage. The parking area has a concrete retaining wall. After the inspection Hyler had some difficulties getting their truck up the...
HYLER SEPTIC SERVICE
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BERRIOCHOA CONSTRUCTION, INC.

New to Angi

Concrete - Injection Leveling - Mudjacking - For Business

Serving King, WI and surrounding areas

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Emergency services offered

Small jobs welcome

General contractor. Jack of all trades. \nGreat craftsmanship .\n608.800.7867

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Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving King, WI and surrounding areas

In business since 2024

Free estimates

Small jobs welcome

"The workers were friendly and cared about their work. They arrived on time and worked until dark. Never had home contractors more dedicated to their craft."

Response time8 hrs

Recommended by100%of homeowners

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Z D Anderson Concrete

New to Angi

Concrete - Injection Leveling - Mudjacking - For Business

Serving King, WI and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

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Concrete Leveling questions, answered by experts

Yes, expanding foam (also known as polyurethane foam) can lift concrete. This approach, called polyjacking, involves injecting the foam rather than concrete slurry to fill voids and raise the concrete slab back into place. It’s often faster and requires smaller drill holes than traditional mudjacking, though it may come at a higher cost. Some contractors also prefer polyjacking over mudjacking for more damaged and delicate slabs.

Most states and municipalities don’t require concrete mudjacking companies to carry a specific license, but they usually need to have a general contractor’s license, and they should be fully insured. The only exception is if the mudjacking company provides foundation repairs as well, or if it offers mudjacking for home foundations. In that case, they will typically need a foundation repair contractor’s license. You can check state requirements and then use Angi’s license lookup tool to confirm that a company is properly licensed to provide mudjacking services in your area.

Polyjacking can be a permanent solution to sunken concrete if you also address the underlying issue—like poor drainage—at the same time. The polyurethane material itself can last as long as or even outlast the concrete you’re lifting it with. Your sunken concrete issue will likely return if you don’t couple polyjacking with proper drainage to prevent future soil movement and sinking.

The average cost for mudjacking is around $1,200, though prices can range from $300 to $3,400. On a per-square-foot basis, you can expect to pay between $3 and $8, with an average of about $5 per square foot. The final cost depends on several factors, including the square footage of the concrete, the type of slab, its accessibility, whether it is load-bearing, and the type of material used to lift it. Generally, lifting a driveway, small patio, or sidewalk is less expensive than lifting a slab foundation or garage floor.

Most houses are expected to settle over time, but foundation sinking of more than a few inches or uneven sinking of more than an inch for every 20 feet is cause for concern. Any significant or uneven sinking should be assessed by a professional to determine the cause and perform any necessary repairs.

The King, WI homeowners’ guide to concrete leveling services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

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