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 is the cost range for concrete injection leveling?

• <div><p>Charges correlate with surface size, settlement depth, and access, often yielding significant savings over concrete 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: Is there an alternative to underpinning?

• <div><p>There is no real alternative to underpinning, although mudjacking and polyjacking are other repair methods that can add support from underneath your foundation. Rather than placing supportive piers under your structure, these involve pumping a material under your slab to lift a sunken section back into its original position. Polyjacking, in particular, is sometimes a suitable solution for stabilization issues under slab foundations, but underpinning is often accepted as the best and most permanent solution.</p></div>

Q: Does mudjacking come with warranties?

• <div><p>Many contractors offer warranties for their work. Confirm terms before starting the project.</p></div>

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Verified Reviews for Concrete Mudjacking pros in Nikiski, AK

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

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

Last update on September 28, 2025

Reviewed in September 2025
Yes Alaskan Cajun did amazing job with my roof and my yard. Yes I would hiring them if I need them.
Cajun Alaskan Services
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Reviewed in June 2024
Built a beautiful firepit, enlarged sidewalk Landscaped around Lilac tree and dish satellite.. Thank you for the amazing job!!
Eden Landscaping Co., LLC
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Reviewed in February 2024
Kent has done everything he has said he would do along with give us some improvement suggestions that would either make the project better or save us some money.
J&B Construction
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Reviewed in January 2024
They did an excellent job, I had a heavy safe that needed moved Kenai Peninsula Movers said couldnâ t be done after a quote and full payment to put it in my garage, these guys had it done in an hour they are great
Trophy Enterprises
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Reviewed in September 2023
These guys are great.They do an amazing job,they are very friendly,they are very careful doing there jobs,they use stuff safe for the environment.I will use them again.give them a call and see for yourself how good they are.
Snow Pressure, LLC
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Reviewed in May 2022
Removed trees safely around home and outbuildings. Arrived early, works fast and cleans up after. A real professional.
JT Excavating, Inc.
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Reviewed in March 2022
Snow removal job was larger than I estimated. M&amp;B Yard Service took extra steps to complete the cleanup. They were careful with all buildings and sidewalks.
Mowin & Blowin Yard Services
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Reviewed in January 2022
They do great work and can do it all. They don’t have to sub out work. Saved me money this way.
AKE electric service LLC
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Reviewed in June 2021
Andy did a great job on the fox block foundation. While he was there, he did a great job with a septic/leechfield install as well at a great price. Thumbs up!!
A and Z Enterprises
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Reviewed in May 2021
Added to the project without difficulty. Large crew and easy to work with.
Timberline tree services
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Concrete Mudjacking questions, answered by experts

Charges correlate with surface size, settlement depth, and access, often yielding significant savings over concrete replacement.

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.

There is no real alternative to underpinning, although mudjacking and polyjacking are other repair methods that can add support from underneath your foundation. Rather than placing supportive piers under your structure, these involve pumping a material under your slab to lift a sunken section back into its original position. Polyjacking, in particular, is sometimes a suitable solution for stabilization issues under slab foundations, but underpinning is often accepted as the best and most permanent solution.

Many contractors offer warranties for their work. Confirm terms before starting the project.

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.

The Nikiski, AK homeowners’ guide to concrete mudjacking services

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

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