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: What are the benefits of mudjacking?

• <div><p>Mudjacking restores level surfaces, prevents further damage, and is more cost-effective than a full replacement.</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 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: 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>

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Verified Reviews for Concrete Mudjacking pros in Gray, ME

*The Angi rating for Concrete Mudjacking companies in Gray, ME 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 November 21, 2025

Reviewed in November 2023
Basement Improvements waterproofed my basement and poured a new concrete floor. Both my basement steps were ruined by Basement Improvements, LLC. I have steps from my garage to the basement that they removed and destroyed. They also ruined the step from my house to the basement by cutting the...
Basement Improvements, LLC
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Reviewed in November 2023
I paid over 15K to have my basement waterproofed and a new concrete floor laid. Both my basement steps were ruined by Basement Improvements, LLC. I have steps from my garage to the basement that they removed and destroyed. They also ruined the step from my house to the basement by cutting the...
Basement Improvements, LLC
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Reviewed in October 2023
Rhet, of Superior Tile Service is reliable, punctual, easy to work with, and delivers solid and beautiful work. I have recommended his services to my clients and they have been very pleased with the quality work they received. Look no further for your tile and concrete needs!
Superior Tile Service Corp.
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Reviewed in August 2023
Terry did a great job repairing our concrete paver walkway. He gave us a fair price and came on short notice. He and a helper showed up on time, finished the work on time, and cleaned up the work area. The quality of his work is top notch. Heâ s a real craftsman Iâ d highly recommend to...
Wisdom Landscape, LLC
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Reviewed in August 2022
In May a sales person came to my house and said they were in the area and could spray my house for $49.99 I usually do this myself because if I still have bugs then I know I just need to do a better job. But I was getting ready to be gone for 2 weeks so I agreed to a $50.00 one time service. I...
Hawx Pest Control
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Reviewed in June 2017
They did a concrete patch on my asphalt driveway. They dyed it to match the asphalt and then they sealed the whole thing. They were here when they said they were going to be here. They followed up with me to make sure I was satisfied with the job. They actually came back to fix a couple of...
WJ's Concrete Finishing LLC
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Reviewed in March 2017
I can not say enough positive things about Mark Patrick owner of Affordable Concrete! I called him early on Monday, by 12:30 he was at my house to give me a quote. It was a fair price and I hired him. He told me he would be at my house at 6:30am on Wednesday, two days later!! He showed up on...
Affordable Concrete Contractors
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Reviewed in June 2014
The two Installers did a quick and clean job removing the old door and moulding. They carefully removed the inside moulding so it could be reused. The existing door opening was not square, and the old door had never closed tightly. So they had to carefully shim the new door so it was square...
Texas Turnkey Installations
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Reviewed in January 2014
We are upset because during the construction they broke the window lock, the cellar drain box cover was broke because when they went to pour the concrete, they stepped on it and broke it. The french doors were splatter with concrete. They splashed paint and mud on the siding. They broke two...
CHASE CUSTOM HOMES & FINANCE INC
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Reviewed in February 2013
I live in a lovely 120 year old farmhouse with a stone foundation. The basement was in need of multiple repairs. J.J. bid on the project and came in at what I thought was a fair price. I gave him the job based upon his obvious experience , know-how and responsiveness. He assessed the varied...
Supple Construction Contracting Inc.
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The Gray, ME homeowners’ guide to concrete mudjacking services

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