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: How do you level a sunken concrete patio?

• <div><p>Pros often use mudjacking or polyurethane foam injection to level a sunken concrete patio. Both methods lift the slab by filling voids beneath it. After properly compacting the soil beneath it to prevent future settling, the concrete may need to be removed and re-poured for severe sinking. </p></div>

Q: What does the concrete injection leveling/mudjacking process involve?

• <div><p>The method involves lifting settled concrete using pressurized cement slurry via drilled holes. This solves uneven surfaces and prevents further settling.</p></div>

Q: How long does it take for polyjacking to cure?

• <div><p>The polyurethane used for polyjacking will expand and cure in 15 to 30 minutes. After that point, your slab will be safe to walk on and even drive on in the case of a sidewalk or concrete driveway. Double-check with your concrete lifting specialist to confirm a curing timeline, as products can differ. </p></div>

Q: What are the benefits of using concrete injection leveling?

• <div><p>It restores concrete, prevents replacement cost disruptions, reduces trip hazards, and provides stability at a lower cost.</p></div>

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Verified Reviews for Concrete Mudjacking pros in Bigfork, MT

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

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Last update on December 12, 2025

Reviewed in September 2024
From the first call to the finished job, in under 4 hours.
NEXUS GUTTERS CO
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Reviewed in August 2024
The Ted's Asphalt team exceeded all of our expectations. They were efficient, courteous, and professional. Our old driveway was in rough shape, and in one afternoon we now have a shiny new driveway! I highly recommend them, in fact our neighbor across the street hired them on the spot to re-pave...
Ted's Asphalt Repair
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Reviewed in August 2024
Mitchell recently transformed our old and tired looking concrete patio with artful stain work and a durable sealer. The project was completed promptly and competitively priced. We found Mitchell to be honest, knowledgeable, professional and easy to work with. Highly recommend you talk to...
Everts Contracting Group, LLC
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Reviewed in August 2024
Ty, Did a wonderful and in a very timely manner. He was professional and the gutters look GREAT!
J. Tyrell General Contracting LLC
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Reviewed in July 2024
Jacob took a complicated install and did a great job. Very reliable and professional.
Flathead IT
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Reviewed in May 2024
Tanner is a very professional and hard working young man. He is very knowledgable and did an outstanding job of removing some weevil infested trees and removing mistletoe. I would highly recommend him.
Tamarack Tree Experts, LLC
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Reviewed in March 2024
They did an excellent job of flooring my kitchen and I'm very pleased. I plan on hiring them again for additional work. Keep up the wonderful work guys! Robert
Early Finishers LLC
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Reviewed in June 2022
Top notch company from the first call inquiring about their service to the installation. They did everything they said they would, including the time they showed up. No surprises! The installation guys did a fantastic job! We were very comfortable with them in our home. We are so thrilled we...
Renewal by Andersen of Montana
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Reviewed in October 2018
Received a quick quote from P and H Concrete for a 20'x43’ stamped concrete patio job in April 2017, and a promise to pour around mid June 2017. Almost no communication from Hank during the summer, finally started to get responses in August using texts. Called to drop his services in October...
P and H concrete
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Reviewed in November 2011
Greg was very good to work with. He was responsive, punctual, and very professional. He arranged for subcontractors to do tear down and removal of old exterior stairs and concrete, excavate for new stairs, and do stucco repair work. He did the carpentry and woodwork repairs on our house...
5 Bars Contracting Service
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