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Find Concrete injection leveling mudjacking pros in Londonderry

Avatar for Groundworks
Groundworks
4.7(
23
)

Serving Londonderry, NH and surrounding areas

Approved (Corporate)

In business since 1996

Free estimates

Warranties offered

"Joe,James and Bobby did an excellent job replacing the sump pump And drains. My husband and I were so impressed with their abilities and how hard working they were. I would highly recommend Ground works Manchester to anyone who needs the same work done. Thanks to all the gentlemen for their professionalism and work ethic"
Foundation
Foundation
Foundation
Basement
Basement

+16

Response time12 hrs
159 neighbors recently requested a quote
Recommended by56%of homeowners
Avatar for Erickson Foundation Solutions
Erickson Foundation Solutions
4.6(
9
)

Serving Londonderry, NH and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

"Took waaaay to long. 6 months, albeit, we started in late November but it was the nicest winter in history. Promise was late February for completion. I finally conceded in June that they had finally met all contractual obligations. There were several reasons it took so long from my point of view: not showing up when they say they are, poor workmanship requiring lots of rework (all caught by me, not the so called Project Manager), no dedicated project manager, unclear instructions/requirements flowed down to the contractors sent to do the work, company too focused on the next jobs instead of completing this one, etc..I could go on and on...Damaged my driveway and blamed the driveway even though I asked upfront if there would be any harm to it. "No we do this all the time" was the response. Damaged my neighbors lawn and I'm still fixing that. Overall, a bad experience. I'd rate them a "D" but they did eventually fix most of the quality problems. The rest I have, or will take care of. Cutting the ties with this contractor. Would not recommend."
View of the cracked and bowing field stone foundation wall.
PowerBrace wall supports are installed, and the new steel reinforced concrete wall is formed around them to fully stabilize the bowing foundation wall.
The auxiliary wall is anchored to the floor below and joists above and stabilized with PowerBrace wall supports.
Additional Photos
Additional Photos

+54

Response time2 days
Response rate92%
10 neighbors recently requested a quote
Sonart Construction Corp.
2.7(
3
)

Serving Londonderry, NH and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"I recently had my shingle roof replaced and I?m very happy with the results. The team was professional, punctual, and completed the job efficiently. The quality of the work is excellent, and the new roof looks great. They kept the work area clean and communicated well throughout the process. I would definitely recommend them to anyone needing a roof replacement."
I & J Island Landscaping
5.0(
1
)

Serving Londonderry, NH and surrounding areas

Free estimates

Warranties offered

"They are great at doing rock walls. I have had a rock wall built in all over my garden until now and I am having them build another rock wall. They are just really hard working and they do beautiful rock walls. Their responsiveness is good as I get a call right back. They are from Jamaica, so they are very laidback but they get the work done and that is fine with me."
Recommended by100%of homeowners
Avatar for AK Property Services
AK Property Services
5.0(
2
)

Serving Londonderry, NH and surrounding areas

In business since 2014

Free estimates

Warranties offered

"This was the only contractor that provided a quote and start date without being hounded on the phone. Quote was the best for quality materials and labor combined, and began project within a couple of days, verse the 5 week turnaround for other fence installers. Despite constant rain, had the fence up and serviceable for our dog in one afternoon, and returned to finish the job later in the week."
Recommended by100%of homeowners
Avatar for EHM
EHM
4.5(
16
)

Serving Londonderry, NH and surrounding areas

In business since 1954

Free estimates

Warranties offered

"To Expert House Movers <br /> We wanted to let you know just how pleased we are with the work you did on our house. Before we contacted you, we had several other contractors look at our home. We actually had hired another contractor, who took such a long time, never returned our calls, missed meetings, and took months to even get us our bid. And when that contractor did get us our bid, it was more than doubled our previously discussed budget!  <br /> That is when we called you, you came out immediately, was extremely professional, but more importantly, you had a personal interaction with both me and my wife throughout the entire process. You answered all our phone calls, all of our questions, and talked with us throughout the entire process. We felt extremely confident and assured through the entire lift. This house is our dream house and we are going to live in it until we die, and you knew how much it meant to us, and you took care of it as if it were your own. <br /> As you know, my wife ended up in the hospital with some complications with her surgery while you were working on our home, and you took such great care of our house. You knew she was very disappointed that she could not be there, as she designed the foundation window placements and had a big part in the doors and steps. Your crew was so kind and so professional and meticulous, that they knew that two particular windows were very important to my wife.  Your crew wanted to get them perfect and asked me some questions about them, that I could not answer. My wife was feeling better, but still in the hospital, and I called her on the phone, while your crew waited for me, as she and I discussed for several minutes the exact placement of the windows. Some minor changes had to be made and your crew could have easily just slapped the two windows in the new location, which was only slightly off of the original plan, and be done with it, but they stopped and pointed out where my wife originally wanted them and the new location difference and wanted to be sure that my wife understood the change, and wanted me to talk to my wife first. I was so very impressed that they made the adjustments on the spot that my wife suggested over the phone. I don’t think any other company would have gone through this much trouble to please their customers! <br /> You also were very respectful of our property, neighbors, and your crew were always very willing to stop and explain the process of what was going to happen next. Not one time did we ever feel like we were in your way. Actually, it was the opposite, we felt like you and your crew were very excited to show us your equipment and how it worked and actually wanted us around so we could see how it all worked and so we could see for ourselves how everything was perfect - and it was! <br /> We will always remember you and think of you so highly. Thank you for making the beginning our home building so easy and off to such a perfect start. There are so many things that can go wrong when redoing a home, and having it go off with such a perfect start gives us such great hope. You have certainly set bar very high for the other contractors that will be coming in for the other parts of the home! Your company and its crew should be very proud of its work. You do a job that is very difficult, complex and tedious, but you do it with care, expertise, and perfection. We actually miss you guys and wish you were around. You are like family to us. We only wish we could rate your service and staff A++ , if there were such a rating. <br /> All our best and blessings, <br /> Randy and Elizabeth <br />"
Recommended by87%of homeowners
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FAQs for concrete injection leveling mudjacking projects in Londonderry, NH

Mudjacking and foam jacking differ significantly in both materials and methods. Mudjacking uses a cement-based slurry to fill voids beneath a slab, while foam jacking uses expanding polyurethane foam delivered under high pressure to achieve superior structural support. This material distinction enhances load-bearing strength and overall stability in your repair.

Mudjacking takes between one and three days to dry completely. During this time, it's important to avoid putting weight on the slab until it's fully cured. The drying time depends on the project size and environmental conditions. In contrast, polyurethane foam used in foam jacking can cure in as little as one hour.

No, mudjacking is not a permanent fix for sinking concrete. While it effectively lifts the slab and can last five to 10 years, it doesn't address underlying soil issues that may cause future sinking. For a more permanent solution, you might consider foam jacking or complete slab replacement, which can address deeper structural problems.

The Londonderry, NH homeowners’ guide to concrete injection leveling mudjackings

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