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Avatar for Groundworks
Groundworks
4.2(
538
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Croydon, PA and surrounding areas

Approved (Corporate)

In business since 1997

Free estimates

Warranties offered

"Project: Level concrete slabs using injection technology. Prior to hiring, Chris provided a free estimate and discussed the technology to be used. Kristi responded to all correspondence quickly.. The technicians arrived on time. They were professional and completed the job in a timely manner. I would definitely recommend this company. Thank you"
Protect Your Crawl Space
Protect Your Crawl Space
Protect Your Crawl Space
Correct Your Smelly Crawl Space
Protect Your Crawl Space

+16

Recommended by90%of homeowners
Avatar for Grays Masonry
Grays Masonry
New to Angi
Concrete - Injection Leveling - Mudjacking - For Business

Serving Croydon, PA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Gray’s Masonry is a fourth-generation, veteran-owned and operated masonry company built on decades of hands-on experience and pride in craftsmanship. We specialize in brick and stone masonry, chimney repairs and rebuilds, retaining walls, steps, patios, concrete work, and all forms of masonry restoration—from small repairs to full structural rebuilds.\n\nOur approach is simple: honest pricing, clear communication, and work done the right way the first time. With deep roots in traditional masonry and a modern understanding of today’s materials and building standards, we deliver durable, long-lasting results you can trust.\n\nProudly serving homeowners, property managers, and small businesses throughout South Jersey, Philadelphia, and surrounding areas, Gray’s Masonry is committed to quality, reliability, and craftsmanship that stands the test of time. Built on experience. Built to last.

Avatar for Quinn Brothers Masonry LLC
Quinn Brothers Masonry LLC
4.9(
44
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Croydon, PA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Pat and his team were, by and large, fantastic. They executed on all aspects of the original quote flawlessly. The ribbon pointing around the stonework, especially in the front part of the house, turned out very nice. We're extremely happy with how the masonry looks. It went so smoothly, we added additional work onto the quote to seal the concrete and touch up paint along the exterior of the house. The painting wasn't as neat or clean as it could have been - it's probably a little step above what I could have done. Mostly importantly, when we encountered a couple of problems along the way, they were responsive and went above and beyond to sort it out. I think they approached the whole project very well, and even worked with us on the price for the add-ons. All-in-all, super solid work from a super solid contractor. Highly recommended."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+63

Recommended by100%of homeowners
Foundation Experts, LLC
4.5(
27
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Croydon, PA and surrounding areas

In business since 1980

Emergency services offered

Credit card accepted

"We had known about this problem for some time and had also had a structural engineer evaluate our situation.  We may be putting our house up for sale soon and decided it was finally time to get the wall fixed.  Armed with my own research and the engineers evaluation, we searched for a contractor to perform the work we knew we needed to have done.  Upon contacting Foundation Experts, Larry got back to me very quickly and we set up an appointment for him to inspect the wall.  He was VERY thorough in explaining what needed to be done to stabilize the wall to prevent any further movement/damage.  He said we should have the wall "pinned".  He quoted us $4000 to do the whole job (10 pins along a roughly 25ft. long wall).  They also designed the system so that the re-bar would pass through the top course of block and attach to the house sill plate above the wall to help lock it in place.  
The price was on par with most other estimates (slightly cheaper actually), but we decided to go with Foundation Experts mostly because they were very thorough with their evaluation, were honest (I was armed with a lot of info about our situation and felt very confident that what he proposed to do was exactly what needed to be done) and they did not pressure us at all.  I also really liked the fact that they routinely work with engineers and felt that they had a better grasp on executing the work over other contractors we contacted.  They also will work with the township if permits are needed.
We scheduled for the work to start the following week.  Their team took about 2 days to do the work.  They were very professional and did not make a mess at all.  They put plastic up to prevent concrete dust from getting everywhere in the basement and cleaned up thoroughly.  Larry was present during the bulk of the work and made sure that everything went smoothly.  They even worked with us on the payment method.  He made it very clear if we have any issues/concerns or questions to call them anytime.  He also stressed that if we sell the house and potential buyers have any questions/concerns to contact him and they will work with us as best they can.  
The wall is now fixed and my wife and I feel better knowing that our wall won't come crashing down during then next heavy rain!  We also feel better knowing that we won't have to worry about foundation issues coming up if/when we sell our house.  All in all, it was a great experience!
"
Recommended by95%of homeowners
Avatar for JMJ Landscape Construction LLC
JMJ Landscape Construction LLC
4.0(
117
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Croydon, PA and surrounding areas

In business since 2003

Free estimates

Emergency services offered

"We are absolutely thrilled by the work that was done by JMJ Landscaping.  They were able to reproduce exactly what we had requested.  We wanted a flagstone patio installed with an organic layout design that complemented the curved lines of our garden.  Since our yard has a downward slope, we asked for a low and sloping stone wall to be built on one edge of the patio and to actually level out a section of the yard so that it could abut the wall and in essence create level ground in the yard.  They finished off by seeding the newly leveled portion of yard and covering it with hay.  They completed the job in a very timely fashion at the price we were quoted.  My husband was very impressed that they obtained Wissahickon schist for the wall to mirror the stone that our house is made of.  The guys were extremely professional and really took pride in their work.  The new patio is absolutely beautiful and looks as if it was part of the original design of the house.  Although it was a little expensive the quality of the workmanship and supplies was well worth it and I have no doubt that this has increased the value of our property.  I would highly recommend JMJ Landscaping.
"
Recommended by98%of homeowners
Avatar for Stainescontracting
Stainescontracting
4.9(
23
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Croydon, PA and surrounding areas

We are your one stop source that delivers quality work, with a service-oriented attitude.We are experienced in all exterior and interior work. We look forward to doing business with you! Contact us today with any questions or to get an estimate on any other home improvement project.

Plumbing Project
Plumbing Project
Plumbing Project
Plumbing Project
Plumbing Project

+203

Recommended by95%of homeowners
Avatar for Clark Chimney & Masonry
Clark Chimney & Masonry
4.5(
34
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Croydon, PA and surrounding areas

In business since 2023

Free estimates

Emergency services offered

12/20/2023 - Please Note I am very blessed to say things have been very busy for me the past few months starting out on my own and I apologize for any late response or double messages sent by accident or not being able to book as soon as i would like to be able to. I will have a full office staff soon but until then, I rather keep my perfect rating by going slow and not make any mistakes or rushed appointments that I know I can't make and waste your time waiting for me. also, if you are outside of my service area and would like my free HONEST opinion on an estimate that was left for you via phone call don't hesitate to reach out a few basic questions I can let you know if something sounds off. 610-840-7088 \n\nMy name is Chris and I am the owner of Clark Chimney and Masonry. At Clark Chimney and Masonry, we are dedicated to providing top-quality services that you can trust.\n

Week of 11/19
before
MARCH 2025
Week of 11/19
Philadelphia Stucco paint waterproof

+36

Recommended by92%of homeowners
Professional & Classic Basement Waterproofing
5.0(
4
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Croydon, PA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"They were very helpful, they were helpful. They went out of their way to be helpful. We chose not to get additional service and that is why we appreciated that they took a professional feel to what was going on. They were helpful in allowing us to come to conclusion that we didn't need the professional services for the level of mold damage that we had. I would like other Angie's List members to know that they are honest, courteous and they will not intent on over selling us."
Recommended by100%of homeowners
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Concrete Leveling questions, answered by experts

Polyjacking and mudjacking can both be effective solutions for sinking concrete, but they have key differences. Polyjacking, which uses expanding polyurethane foam, is often considered a better option because the foam is significantly lighter than the cementitious material used for mudjacking. This reduced weight puts less pressure on the underlying soil and lowers the risk of future sinking. Polyjacking is suitable for any sinking concrete slab, while mudjacking is typically only recommended for non-structural concrete, such as sidewalks, patios, pool decks, and driveways. The primary drawback of polyjacking is its cost, which can be up to four times higher than mudjacking—as much as $25 per square foot compared to a maximum of about $6 per square foot for mudjacking.

Mudjacking is usually reserved for light-duty slabs, like patios, driveways, and sidewalks. However, it can be an effective way to lift garage slabs and concrete around the perimeter of the home, which could harm your foundation if it’s not done properly. The risk of damage is why having a professional mudjacking company carry out the work is important. This type of slab or foundation repair is relatively inexpensive, especially if you consider that a DIY job requires that you pay to rent the necessary equipment.

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.

On average, a mudjacking repair lasts between five and 10 years, though it can sometimes last for well beyond a decade under ideal conditions. Its longevity depends heavily on several factors, including the condition of the underlying soil, environmental conditions like freeze/thaw cycles and erosion, and whether the root cause of the sinking, such as drainage issues, is resolved. Because it doesn't always fix the underlying problem of loose soil, mudjacking is often considered a temporary solution. Proper maintenance and evaluation can help extend its lifespan.

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 Croydon, PA homeowners’ guide to concrete leveling services

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