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: Is mudjacking or foam better?

• <div><p><a href="https://www.angi.com/articles/mudjacking-vs-polyjacking.htm">Polyjacking and mudjacking</a> can both be good solutions to sinking concrete, depending on your situation. Polyjacking, which uses expanding polyurethane foam to lift concrete, is a better option than mudjacking because the foam weighs less and won&rsquo;t contribute to additional sinking. Polyjacking can be a suitable solution for any sinking concrete slab, while mudjacking is normally only a good option for non-structural concrete, like sidewalks, patios, pool decks, and concrete driveways. However, polyjacking costs much more&mdash;as much as $25 per square foot, compared to the maximum of $6 per square foot you&rsquo;d pay for mudjacking.</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 mudjacking last?

• <div><p><a href="https://www.angi.com/articles/how-long-mudjacking-lasts.htm">Mudjacking should last</a> for five to 10 years, so it&rsquo;s considered a temporary solution to sinking concrete. However, there are some cases where mudjacking fails before this time period, like if you have loose soil below the concrete or a karst landscape is to blame for the sinking concrete. Some mudjacking projects can last for well beyond a decade, depending on the underlying issue.</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>

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Last update on December 12, 2025

Reviewed in August 2025
The painter Kenny Frost was efficient and reliable. He and his crew were meticulous. We were extremely pleased.
Frost Painting
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Reviewed in June 2025
Noah exceeded my expectations at a competitive price . Clear communication, and fast! His estimate was spot on and it was clean and professional work. Noah did a 60amp sub panel install for my new garage, and also wired in four new outlets in my basement as I only had one down there. Thanks...
Parker Electric LLC
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Reviewed in March 2025
Brilliant place. Excellent service. Very satisfied with their treatment. Great price too.
LMC Home Remodeling, Inc.
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Reviewed in March 2025
The way to go. Future Homes is reliable and great at their craft. Dan and Ryan were a pleasure to conduct business with and were very knowledgeable. Their crew was top of the line, hard workers. They built my place from the ground up. Energy efficient is the way to go! Radiant heat added...
Future Homes USA, Inc.
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Reviewed in June 2023
I would recommend. They clean up when they finish.
Portanova Roofing North
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Reviewed in May 2023
They arrived in a timely manner and made sure everything was running smoothly before they left.
HVAC Solutions 207, LLC
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Reviewed in May 2023
Extremely Professional courteous and knowledgeable. Communicated the entire process of the detailed inspection. Would highly recommend!!
Main Choice Inspections, Inc.
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Reviewed in July 2022
I found Jay to be pleasant and easy to work with. He is very conscientious about his quality of work.
Barrett Pressure Washing
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Reviewed in May 2022
Extremely easy to work with. I made several design changes as we went along as ideas came to me. They were handled seamlessly and with no issues.
Leviathan Group LLC
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Reviewed in March 2021
Friendly, knowledgeable, took the time to listen to my concerns and thorough.
Maximum Inspection Services
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