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 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>

Q: Is mudjacking worth it?

• <div><p>Mudjacking can be an expensive foundation repair process, but in many cases, it&rsquo;s well worth the investment. This is especially true if you&rsquo;re lifting a portion of sunken foundation slab back into place. In that case, mudjacking can help avoid major structural damage and even home collapse by restoring the integrity of your structure with minimally invasive procedures. Mudjacking a concrete patio, walkway, or sidewalk can be worthwhile because it removes tripping hazards and makes your outdoor area more aesthetically appealing.</p></div>

Q: Can mudjacking be done in winter?

• <div><p>It&rsquo;s best not to perform mudjacking in the winter unless the ground temperature remains above freezing. Freezing temperatures can cause the slurry to harden too quickly, compromising its strength and longevity. Concrete is also more susceptible to cracking and splitting in cold temperatures, so there&rsquo;s a higher risk of damaging the slab during the drilling and lifting process in winter. </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>

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Verified Reviews for Concrete Mudjacking pros in King City, CA

*The Angi rating for Concrete Mudjacking companies in King City, CA 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 King City, CA 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 July 29, 2026

Reviewed in July 2026
Miguel did an excellent job installing my Dog door through the wall. He was professional, respectful, and took the time to ask questions before starting to make sure everything was exactly how I wanted it. His work was clean, precise, and completed efficiently. One thing that really stood out...
Galvans Maintenance and Hauling
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Reviewed in November 2025
Had to replace my toilet and garbage disposal he responded very quickly and had both replaced in a very timely manner. Great customer service and the price was reasonable will definitely call him again.
Brewer Plumbing Solutions
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Reviewed in August 2025
Maplewood Landscaping did a commercial landscape install at our daycare facility and we were very happy with the results. Their pricing was honest, and Cesar, the project manager, kept great communication throughout the entire process. The work was completed professionally and on time. We look...
Maplewood Landscaping, Inc.
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Reviewed in April 2025
Velasco Landscaping did an amazing job installing pavement at my property! From start to finish, the team was professional, efficient, and detail-oriented. The quality of the work exceeded my expectations, and the finished pavement looks fantastic—clean lines, solid craftsmanship, and it’s built...
Velasco Landscaping
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Reviewed in August 2024
Golden State Roofing exceeded all my expectations. From start to finish, their professionalism, attention to detail, and quality of work were outstanding. They communicated clearly throughout the entire process and made sure everything was done on time and to the highest standard. The team was...
GOLDEN STATE ROOFING GROUP INC.
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Reviewed in July 2022
It was great working with this business and all work went smooth while I did not have to worry about anything, and end results were satisfactory.
Izzy's Handyman Services
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Reviewed in April 2021
I had a new roof and a high efficient hot water heater installed. I’m extremely happy with both. Every single person I had contact with was so professional, courteous, knowledgeable and clean. I would use them again for anything I should ever need for my home. I understand they do windows and...
Bright Home Energy Services
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Reviewed in March 2021
Great communication. Very professional. Prices are great. Wouldn’t go to anyone else!
rollingbayconstruction
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Reviewed in August 2020
Called on a Sunday afternoon, . Came out, ran my mainline for sewer. Great job and fast
Mr. Fix It Repairs - Unlicensed Contractor
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Reviewed in December 2019
Gilbert M Rosas Tile did good a job, in a timely manor. No problems what so ever.
Gilbert M Rosas Tile - Unlicensed Contractor
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Find Concrete mudjacking pros in King City

Just Stamping Concrete

5.0(

)

Serving King City, CA and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"I hired this service to design my backyard and I couldn't be happier with the outcome. The designer was able to take my vision and turn it into a beautiful reality. They provided a detailed plan and were able to work within my budget. The installation team was professional and the work was completed on time. I highly recommend this service for anyone looking to enhance their outdoor living space."

Response time2 hrs

Response rate100%

4 neighbors recently requested a quote

Serving King City, CA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"Groundwork’s did an amazing job. Our home was settling and they were able to lift it. The process was quick and all employees from sales to crew were all very professional."

+16

106 neighbors recently requested a quote

Recommended by12%of homeowners

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NorCal Foundation Support

3.0(

)

Serving King City, CA and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"My project is just a small one and they did took time to check it out. Good courtesy"

44 neighbors recently requested a quote

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Mega Power Electric, Inc

5.0(

191

)

Serving King City, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Mega Power Electric is an excellent company to work with. Gary and his team are knowledgeable, honest, and will go out of their way to get the job done right. We installed panels and solar battery storage unit in our home and we're reaping the benefits of being clean and green."

+32

Recommended by100%of homeowners

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Blue Pacific concrete

New to Angi

Serving King City, CA and surrounding areas

In business since 1999

Blue Pacific can take care of any concrete need you have. We use our 10 years of experience to bring you quality and customer service. We can do repairs, installs, residential, and commercial. Give us a call for all your needs!

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Dwayne Martin Jr., Bobcat Grading

New to Angi

Serving King City, CA and surrounding areas

In business since 2017

Free estimates

Offers commercial services

Our company is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customer's interests and make their concerns the basis of our business. Please give us a call today!

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Concrete Mudjacking questions, answered by experts

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.

Mudjacking can be an expensive foundation repair process, but in many cases, it’s well worth the investment. This is especially true if you’re lifting a portion of sunken foundation slab back into place. In that case, mudjacking can help avoid major structural damage and even home collapse by restoring the integrity of your structure with minimally invasive procedures. Mudjacking a concrete patio, walkway, or sidewalk can be worthwhile because it removes tripping hazards and makes your outdoor area more aesthetically appealing.

It’s best not to perform mudjacking in the winter unless the ground temperature remains above freezing. Freezing temperatures can cause the slurry to harden too quickly, compromising its strength and longevity. Concrete is also more susceptible to cracking and splitting in cold temperatures, so there’s a higher risk of damaging the slab during the drilling and lifting process in winter.

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.

The King City, CA homeowners’ guide to concrete mudjacking 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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5 Questions to Ask About Concrete Injection Leveling and Mudjacking
Sunken concrete can be a structural issue, but a professional can easily repair it. Ask these concrete injection leveling and mudjacking questions before you hire.