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>

Can I do my own concrete mudjacking?

• <div><p>It’s possible to rent the equipment necessary to <a href="https://www.angi.com/articles/diy-mudjacking.htm">do your own mudjacking</a>, but we don’t recommend it. Mudjacking involves pumping a precise amount of cementitious slurry under your slab to lift it back into place and keep it there. It’s easy to pump too much or not enough, in which case you may need to call in a professional to help anyway. We strongly recommend against mudjacking any load-bearing slab, as you could easily cause irreversible structural damage to your property if you make a mistake. This is one job where paying for a professional is worthwhile.</p></div>

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Q: Can I do my own concrete mudjacking?

• <div><p>It&rsquo;s possible to rent the equipment necessary to <a href="https://www.angi.com/articles/diy-mudjacking.htm">do your own mudjacking</a>, but we don&rsquo;t recommend it. Mudjacking involves pumping a precise amount of cementitious slurry under your slab to lift it back into place and keep it there. It&rsquo;s easy to pump too much or not enough, in which case you may need to call in a professional to help anyway. We strongly recommend against mudjacking any load-bearing slab, as you could easily cause irreversible structural damage to your property if you make a mistake. This is one job where paying for a professional is worthwhile.</p></div>

Q: What is a good slump height?

• <div><p>A good slump height really depends on the project, but there is a use for nearly all slump levels. For example, low slumps are best in projects that require structure, such as curbs and roads. High slumps often require additional reinforcement, but they flow more freely into hard-to-reach spaces. </p></div>

Q: Can you mudjack cracked concrete?

• <div><p>Yes, you can mudjack cracked concrete, but the cracks will need to be repaired once the concrete has been leveled. If the concrete is severely cracked in multiple places, replacement may be a better option, but for less severe cracking, mudjacking is a good solution as long as cracks are correctly caulked and sealed.</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>

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Verified Reviews for Concrete Mudjacking pros in Gorham, ME

*The Angi rating for Concrete Mudjacking companies in Gorham, 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 October 30, 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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