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 long does concrete leveling take?

• <div><p>Most projects take 1-3 hours, with immediate usability after completion.</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: 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>

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Verified Reviews for Concrete Leveling pros in Harbor, OR

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

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

Last update on March 07, 2026

Reviewed in March 2026
Underdog Timber Felling exceeded our expectations on several levels. Isaac is also a 16yr Fireman & is hired by the department to clear areas for fire remediation. He has a good crew too. Taylor (Ms.Underdog) was easy to talk to and arrange the job. They were flexible. They were...
Underdog Timber Felling, LLC
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Reviewed in October 2024
We used OJEG Construction to rebuild our home after a recent forest fire. We are now living in our new house that we designed. Some of OJEG's strengths are: first, listening to owner's desires; second, using skilled subcontractors and, third: maintaining quality control. We had a...
OJEG Construction, LLC
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Reviewed in August 2024
My driveway has had a lot of problems for about 1 1/2 years now & has been a major headache to me. My husband would have known what to do about it, but I've been a widow for 2 1/2 years. I had contacted a local company initially, but they wouldnt be able to work on it until next summer (a year...
TWT Paving
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Reviewed in December 2023
Spray foam Fx traveled 3 hrs. to spray our building. Had some mechanical difficulties, fixed the issue, and stayed late to finish the job. They were polite and friendly, cleaned up the job site.
Spray Foam FX
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Reviewed in October 2023
TK Excavation came highly recommended to us to renovate and upgrade our gravel driveway. Jordan met with us personally, reviewed the project, gave us an estimate and based on our acceptance scheduled the work right away. We are so satisfied and based on his extra efforts the driveway was...
TK Excavation LLC
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Reviewed in March 2023
We had a great experience with Advanced Pavers. From the initial meeting with Lacy who designed our project and offered her professional input, Caleb the project manager, Temo and his entire crew. You can tell how much pride everyone takes in their work. Edgar, the owner, came by every day to...
Advanced Interlocking Pavers
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Reviewed in October 2021
Unfortunately it is rare to receive the level of service that Insite Sanitary Service provides. I will definitely recommend this company in the future.
Insight Sanitary Services, LLC
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Reviewed in August 2021
Iâ ve known Korey Allen for almost 7 years, having installed granite in our kitchen in late 2014. Since then, weâ ve had additional granite installed throughout our home, including in our laundry room, office, living room and wet bar. Korey Allen with Allen Marble & Granite has been...
Allen's Granite & Marble
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Reviewed in May 2017
It was beautiful. They are like the concrete kings in my area. They are beyond professional and I highly recommend them.
WOUDSTRA CONCRETE FINISHERS
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Find Concrete leveling pros in Harbor

Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Harbor, OR and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"I have had two issues since they installed the new sump pump and irrigation. Issue number one was water still getting passed the new concrete. The other issue is that the new concrete was not level at all which has caused issues with the new flooring I installed. However, their customer service is top notch and will work hard to take care of you."

Crawl Space Encapsulation with TerraFirma

Concrete Lift and Repair with TerraFirma

Before - Basement Waterproofing in Eugene, OR

+33

Response time30 mins

71 neighbors recently requested a quote

Recommended by79%of homeowners

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Mid Valley Building LLC

3.6(

)

Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Harbor, OR and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"They did a really good job. They talked to me, and I really liked them"

Recommended by75%of homeowners

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JBC Group Solutions Inc

4.0(

)

Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Harbor, OR and surrounding areas

In business since 2007

Emergency services offered

1-888-JBC-ON-TIME (888-522-6684). 26 employees in Portland area. No subs used. Payment may be made via PayPal.

Recommended by75%of homeowners

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Concrete Leveling questions, answered by experts

Most projects take 1-3 hours, with immediate usability after completion.

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.

The method involves lifting settled concrete using pressurized cement slurry via drilled holes. This solves uneven surfaces and prevents further settling.

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.

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.

The Harbor, OR homeowners’ guide to concrete leveling services

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

See all articles

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