Testimonials From Sedgwick County
The work exceeded my expectation and you could hardly tell a construction team had been on the property. The two men were very professional, cleaned up the...
Testimonial by Denise S. from Derby, KS
Salesman and crew were very respectful, knowledgeable, skilled and speedy too. The office staff was helpful as well. I really appreciated the communication...
Testimonial by Denise S. from Derby, KS
Awesome job. Brandon did great on leading a great group of guys. Cleaned up so good behind themselves, we barely knew they were ever here. Guys did a great...
Testimonial by Denise S. from Derby, KS
Reviews From Sedgwick County
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Are you looking for help with foundation repair, concrete leveling, basement waterproofing, or crawl space encapsulation in Sedgwick? Thrasher Foundation Repair is Kansas's largest and most trusted home repair company. We specialize in repairing foundations, concrete, wet basements, and damp crawl spaces. Our motto is "There's only one right way" and we stand behind that with our highly-experienced inspectors and crews, proven products, transferable warranties and interest-free financing. You can trust that you're getting the best solution for your home or business, no matter what the problem.

Learn about the services we provide in Sedgwick and the surrounding area, or contact us today to schedule your free inspection and estimate!

Proven Residential & Commercial Foundation Repair Solutions in Sedgwick, KS

Thrasher Foundation Repair is trained and skilled in the latest foundation repair techniques. We can effectively repair any settlement-related problem, from foundation cracks, bowing basement walls, uneven floors, settlement sinking - you name it, we can fix it. Using patented products from Foundation Supportworks, we offer a fast, cost-effective, proven solution to your foundation and structural repair needs in Sedgwick, KS.

We offer a wide range of foundation, structural and concrete repair solutions, such as:

  • Helical/push pier systems
  • Wall anchors
  • Shotcrete
  • Crawl space jacks
  • Polyurethane concrete slab leveling

Most foundation repair jobs take less than a week to complete and our services include a detailed written estimate and many of our products include a written warranty. Call us today to request a free foundation inspection Sedgwick or the surrounding area.

Your Responsible Basement Waterproofing & Egress Window Contractor

If you have a damp, leaky basement or issues with basement flooding, Thrasher Foundation Repair is your expert for a proven, cost-effective basement waterproofing solution. No matter what's causing your wet basement problem, we can fix it! We'll inspect your home inside and out and design and install a waterproofing system to meet your needs.

Having a wet or leaky basement is not only an inconvenience, but the moisture, dampness and mold caused by the water can lead to health problems and added repair expenses. That's why we offer a full range of basement repairs and waterproofing solutions designed to tackle the problem:

  • Basement sump pumps
  • Interior perimeter drainage systems
  • Wall and floor crack repair
  • Basement dehumidifiers
  • Radiant & vapor barriers
  • Insulated basement wall panels

Our patented WaterGuard drainage system doesn't require excavation, can typically be installed in just two days and includes a transferable lifetime warranty! We also install and replace basement egress windows and window wells. Our RockWell™ egress window products help provide for a safer and more beautiful home while helping to keep your basement dry. Contact us to learn more and get a free basement inspection or egress window estimate.

PolyLevel Concrete Lifting & Leveling Services in Sedgwick

Is your sidewalk or driveway sinking and uneven? How about your patio or front porch steps? Uneven concrete not only looks bad, but it can also be a dangerous tripping hazard. Concrete leveling is faster, less disruptive and more cost-effective than tearing out and replacing the concrete.

Thrasher Foundation Repair uses a process called PolyLevel to permanently lift and stabilize sinking concrete slabs with a high-density polyurethane formula. PolyLevel concrete repair offers many advantages:

  • Lightweight - Won't add weight to existing soil
  • Waterproof - Won't wash out
  • High-capacity - Lifts heavy loads
  • Minimal disruption to your slab and property
  • Environmentally friendly
  • Great for leveling sidewalks, driveways, pool decks

If you have a slab foundation or concrete outside your home that you need re-leveled, Thrasher Foundation Repair is your expert contractor. Call today to schedule your free, no-obligation inspection and estimate!

Trusted Crawl Space Encapsulation & Repair

Do you have a damp, nasty crawl space below your home? How about musty odors inside your home or cold floors over your crawl space? Thrasher Foundation Repair solves these problems with our state-of-the-art CleanSpace crawl space encapsulation system.

We install the moisture barrier on the crawl space floor to eliminate excess moisture and musty smells. Crawl space insulation is added to the walls for added comfort and energy efficiency. What you get is a dry, usable crawl space and improved comfort and healthier air inside your home.

We offer a full range of crawl space repair & encapsulation solutions in Sedgwick, including:

  • Crawl space dehumidifiers
  • Crawl space sump pumps
  • Vapor barriers
  • Access doors and access wells
  • Crawl space structural supports
Before and After Pictures from Sedgwick County
Concrete Repair in Kechi, KS

Concrete Repair in Kechi, KS

Before After
Concrete Repair in Kechi, KS Concrete Repair in Kechi, KS

This homeowner wanted to fix the concrete surrounding his pool. It was cracking pretty bad due to the settlement of the sand underneath. Brent See went out to the home to look at the concrete. Upon inspection, he found one section of the slab completely failed, and another was about to fail. Brent was convinced that the first section was too far gone and would have to be replaced. Our install crew member, Jason Nelson, was not only able to stabilize the concrete, but he was also able to raise several spots around the pool without damaging it. 

The homeowner was so happy we were able to fix his concrete and reduce those significant tripping hazards with no damage to the pool at all!

Concrete Repair in Wichita, KS

Concrete Repair in Wichita, KS

Before After
Concrete Repair in Wichita, KS Concrete Repair in Wichita, KS

Homeowner David M. wanted to put up a basketball goal in his driveway but noticed that the concrete began to sink nearby. David chose Thrasher because we were the only bid that made him feel comfortable and confident in our solution.


System Design Specialist AJ went to the home to provide a same-day, free estimate. We identified that an improperly functioning downspout was draining towards the slab, causing it to sink. We were able to lift and level the slab with PolyLevel foam and seal the joints with Nexus Pro to prevent future moisture from entering the soil below.

Gutter covers in Wichita, KS

Gutter covers in Wichita, KS

Before After
Gutter covers in Wichita, KS Gutter covers in Wichita, KS

This customer was tired of always having to clean her gutters out of leaves and twigs that washed into the gutters. 

We installed our Raindrop gutter covers to help keep her gutters free from clogs. 




Basement Dry and Foundation Walls Supported in Wichita, KS

Basement Dry and Foundation Walls Supported in Wichita, KS

Before After
Basement Dry and Foundation Walls Supported in Wichita, KS Basement Dry and Foundation Walls Supported in Wichita, KS

John E. was looking to finish his basement and create more living space, but he was having trouble with water coming into his basement. Water would be coming in and the temperature in the basement would never get above the 50s. The pervious homeowner had work done by Thrasher, so John decided to give us a call and learn more about solutions for foundation repair.

Service Technician Kerry Lehman went out to John’s home to see what we could do. Upon inspection Kerry found the foundation wall had deflected so far that the exterior wall was no longer on the sill plate. There was a gap letting outside air pour into the basement. The wall cracks were also allowing water to come in and keep the basement wet.

The crew started with excavating the outside and straightening the wall with the GeoLock anchors. Three of the walls were also waterproofed with WaterGaurd and full-height CleanSpace was also put on the walls to keep the water out.

Job Stories From Sedgwick County, KS
PolyLevel and NexusPro Sealant fix settling concrete in Park City, KS

When pulling into his garage Hank K. was tired of driving over a bump. H The concrete was starting to settle, and he  needed a solution that would level and stabilize the concrete so that the drive into the garage would be smooth.

Hank decided to call Thrasher after his mother-in-law had work done and was happy with our work. System Design Specialist Miles Hodson was able to help Hank come up with a solution and we applied two products. The first product was PolyLevel to lift the concrete and the second product was NexusPro Joint Sealant to seal up the joints.

Egress window installed for home office in Geneva, NE

Jim and Kim G. wanted a safe space for Kim's home office. Due to Covid-19 Kim works from home, in the basement. They had previously done work with Thrasher and have not only our wall anchors installed but also our waterproofing system called WaterGuard.

They were happy to move forward with Thrasher for an egress window install. It gives them peace of mind to have a safe environment for Kim to work in every day. The additional light is an added bonus. 

Egress Window Adds Bedroom in Garden Plain, KS

Homeowners in Garden Plain, KS wanted to add a bedroom to the basement for their son. He spends a lot of time down there and they were worried for his safety. So, they decided to give us a call.

We were able to install an egress window, effectively creating more natural light and space for a bedroom. They were able to move forward with the project.

Concrete Repair in Bel Aire, KS

This Bel Aire, KS homeowner has watched her concrete around the house continue to settle throughout the years. Upset with the appearance and worried about it becoming a tripping hazard, she chose to do something about it. This customer has had work done by us in the past and is always impressed with our integrity, and reputation.

 Systems Design Specialist Jon Graves arrived on the scene and investigated the property. Immediately, the customer felt the price was fair and liked how we addressed all concrete surrounding her home. In areas where water washed away the soil causing the concrete to sink, the teams installed our PolyLevel foam to lift and level the surface. In order to protect all of the concrete surfaces for years to come, the customer chose to have our CPS (concrete protection system) applied. The homeowner loved the idea of having the driveway leveled and having it protected under warranty.

 The customer was very pleased with the end result. In addition to the appearance of her newly leveled concrete, she was more than thrilled about the crew’s politeness, efficiency, and clean up.

Clogged Gutters Replaced in Wichita, KS with Gutter Shutter

A homeowner in Wichita, KS was tired of his gutters getting clogged all of the time from the large tress in his yard. He decided to call Thrasher to learn more about gutter installation.

The current gutter system was not able to handle the number of leaves and debris. The crew installed a seamless and clog-free gutter system called Gutter Shutter. This was able to give the homeowner a peace of mind knowing that the gutters would now remain clog-free.

Wet Basement in Wichita, KS Fully Waterproof

A homeowner in Wichita, KS lives in an older home and each time it would rain the basement would either flood or get very wet. He uses the space and was tired of always worrying about the stuff in the basement.

The Thrasher crew went out to the home and was able to fully waterproof the basement. First WaterGuard was installed, to direct and capture the water before it could reach the basement floor. Second CleanSpace was installed to encapsulate the space and keep the walls dry. Third a TripleSafe Sump Pump was installed to direct the water from the WaterGuard out of the basement.

Foundation Walls and Water Proofing in Wichita, KS

A homeowner in Wichita, KS was looking to finish the basement. But before starting with the project water would always be coming into the basement and it was extremely cold down there. Looking for a foundation repair solution, he gave Thrasher a call.

The wall had major deflection, so the crew installed GeoLock anchors outside the home to straighten the wall and keep the cold air out. WaterGuard was also installed on three of the walls to help keep water out of the basement. Full height CleanSpace was also put up on the walls to keep them dry.

Concrete Repair in Wichita, KS

This homeowner in Wichita, KS was upset with the appearance of the concrete on her driveway and was worried about water seeping in and causing more damage in the future. While researching various permanent solutions, she noticed our reputation and ability to do the job correctly.

To begin the project, System Design Specialist Ben Linnebur arrived at the home in Wichita, KS to perform a thorough inspection on the driveway concrete. It was determined that two slabs had settled and sunk, and there were also two large cracks running down the center of the driveway. The homeowner opted to have our teams install our two-part Concrete Protection System that consists of our PolyLevel foam and NexusPro sealer. PolyLevel foam is installed first by injecting it underneath the concrete to permanently lift and level it. Then, NexusPro is applied to all cracks and control joints to prevent any water from entering long into the future.

The homeowner was more than pleased with our concrete repair solutions. In addition, she was impressed with our display of professionalism and dedication to providing a timely service.

Basement in Wichita, KS No Longer Wet

A homeowner in Wichita, KS noticed that water was not draining properly from their home and it was causing problems with the foundation and cracks were starting to appear. Wanting to find a solution and protection their home before it got worse, they gave Thrasher a call.

Our crew started with installing PowerBraces on the foundation walls for wall support, stabilizing those walls from future movement. Then we buried the downspouts so that the water would be directed away from the basement.

Family Home in Wichita, KS Repaired

A family home in Wichita, KS needed some repairs. After being in the family for multiple generations, the family wanted to make sure that the foundation was stable.

Upon inspection the crew was able to identify that the walls were at 9 plus inches of deflection and there were major cracks in the foundation. The crew was able to stabilize the walls with ShotLock and then installed WaterGuard around the perimeter of the basement to keep the area dry.

Park City, KS Home Has Concrete Repaired

Homeowner in Park City, KS was worried about his concrete. The front stoop had started to settle and pull away from the home. He was worried this was going to cause more problems for his concrete, so he gave us a call.

The crew was able to lift the settled areas with PolyLevel, so it was no longer settling. Then closed the joints and cracks with NexusPro Joint Sealant.

Foundation Repair in Wichita, KS

This homeowner in Wichita, KS noticed cracks in her foundation walls and immediately chose to have it repaired. The homeowner lives in the estate with their children, and they knew that the failing foundation could be dangerous. In addition, they were aware that it would only get worse and more expensive with time. Without hesitation, they gave Thrasher a call because of our reputation and presentation of the permanent solutions we offer.

Thrasher teams arrived at the home in Wichita, KS to begin repairing the foundation walls. It was determined that they were experiencing stage-two failure due to intense hydrostatic pressure on the external surface of the foundation. This was causing the walls to crack and bow inward. To combat this, Thrasher installed a combination of our GeoLock wall anchors and PowerBrace wall support system. The convenience of being able to choose between different products made a significant difference in the price of the project. The homeowner was thrilled with the outcome, and they couldn’t have been more thankful. Thrasher was able to restore their peace of mind and bring the value back to their home.

Driveway Concrete Repair in Wichita, KS

A homeowner in Wichita, KS noticed the concrete by her front door had sunk so much that water was starting to pool and collect next to the entrance of her home. Worried that the concrete would get worse and the water would come into her home, she decided to call Thrasher.

Our crew was able to identify that the concrete had sunk in a couple of spots. They used PolyLevel to lift and level the concrete in front of the entrance and the driveway. Then sealed the cracks and joints with NexusPro Joint Sealant to close up the cracks.

Concrete Driveway Repair in Wichita, KS

This homeowner in Wichita, KS has been worried about the uneven concrete slabs leading into the garage for years, but recently it was getting worse much more quickly. They decided it was time to have it repaired and without hesitation, they put their trust in Thrasher because of our reputation, quality products, and affordable price.

Thrasher arrived at the home in Wichita, KS to begin the concrete repair project. The customer opted to have our team install our 2-part concrete protection system to lift, level, and seal the sunken concrete area. This process begins with our PolyLevel concrete lifting foam and then is followed by the NexusPro sealer to prevent any water from entering in the future. The homeowners couldn’t believe the effectiveness and efficiency of our solutions. They were thrilled to have their concrete issues behind them.

Home Foundation Repair in Wichita, KS

This homeowner in Wichita, KS, originally called Thrasher to inspect a leak in their basement, but after a full inspection, our teams noticed multiple needed repairs before the home was to be sold. In addition to the leak in the basement, the homeowners’ gutters were overflowing, and the foundation walls were bowing inward. The customer knew she could trust Thrasher to provide the best possible solutions, and she chose our repairs to guarantee the home is in the proper shape for the next homeowners.

Thrasher arrived and immediately began the repairs on the older home. For the leak in the basement, we installed our WaterGuard interior drainage system, TripleSafe sump pump, window well ducts, and CleanSpace waterproof barrier to keep the basement dry year-round. The foundation walls were repaired and stabilized with our GeoLock wall anchors and PowerBrace wall support system to return the walls to a vertical structure over time. Lastly, the gutters were replaced with our GutterShutter system to guarantee they’re clog-free long into the future. The customer couldn’t have been more pleased with the variety of solutions we performed on the home. They were impressed with the pride we take in our work and quality customer service throughout their Thrasher experience.

Waterproofing Basement Walls in Wichita, KS

These homeowners in Wichita, KS, were beginning the remodeling process of their basement, but a major leak in the home’s foundation needed to be repaired before any further work was done. After reviewing Thrasher’s reputation, they gave us a call to provide them the best permanent solution.

Thrasher arrived at the home in Wichita, KS, and began installing our ultimate basement waterproofing solution that consists of WaterGuard interior drainage system, CleanSpace waterproof barrier, and a TripleSafe Sump Pump system to keep the basement dry year-round. The customers were thrilled with their entire Thrasher experience and the effectiveness of our waterproofing solutions. They were relieved to have peace of mind moving forward in their remodeling process.

Basement Waterproofing in Andover, KS

In Andover, KS, this homeowner dealt with basement water issues and poor experiences with contractors for years. After discovering Thrasher and our extensive reputation, they gave us a call to provide her a permanent solution and restore her peace of mind.

Thrasher arrived at the home in Andover, KS, and immediately went to work installing our basement waterproofing products. The customer chose to have us install our WaterGuard interior basement drainage system and TripleSafe sump pump to replace the old one. These two products work together to keep the basement dry year-round.

Foundation Waterproofing in Kansas City, KS

This homeowner in Kansas City, MO uses their basement primarily for storage, but recently they were having water infiltrating the space. After presenting them the reason behind their basement leakage and the waterproofing solutions we offer, they knew Thrasher was the company for them.

Our teams arrived and determined the water was seeping in through the cold joints of the foundation. The homeowner opted to have us install a combination of our basement waterproofing products. Our WaterGuard interior basement drainage system was installed first to capture the water leaking in through the cold joints. CleanSpace is a waterproof barrier that was applied to the walls to trap any excess moisture, and then a TripleSafe sump pump system was installed to release the water from the home.

Concrete Repair in Derby, KS

This homeowner in Derby, KS, had concerns about the concrete near their front doorstep becoming a safety hazard. As a homeowner for over 30 years, the customer didn’t want the concrete getting any worse. He put his trust in Thrasher because of our 45 plus years of experience and industry-leading solutions.
Thrasher arrived at the home in Derby, KS, and immediately began installing our GutterShutter and 2-part concrete protection system. The estate was never fit with gutters, and during large capacities of rain, they would overflow, and the water would wash out the soil underneath the concrete causing it to sink. For the damaged concrete, our crews installed our PolyLevel foam to lift and level the sunken slabs. Lastly, NexusPro sealer was applied to all cracks and control joints to prevent any water infiltration in the future. The customer was pleased with their Thrasher experience and the efficiency at which our crews operate.

Seamless Gutters in Wichita, KS

A homeowner in Wichita, KS, was looking for new gutters for his home. Over his back patio.  The Thrasher crew installed seamless gutters from Gutter Shutter. The homeowner no longer had to worry about gutters getting clogged. 

Waterproofing in Wichita, KS

A homeowner in Wichita, KS needed some waterproofing in the basement. He was looking to start remodeling the space. In the basement, we installed a waterproofing system called WaterGuard, encapsulated the walls with CleanSpace, and installed a new sump pump so that water would no longer be an issue. 

Basement Waterproofing in Bel Aire, KS

Like many homeowners, John B. In Bel Air, Kansas uses his basement not only for storage, but also as an office. He is a composer and musician, and has a collection of music books and vintage music compositions that he takes great pride in. Unfortunately, water was finding its way into John’s basement, where it could destroy his books and documents, and make the the space unsuitable for working. He had perviously worked with a company in the Basement Systems network that Thrasher is also a member of, and had first hand experience with the quality and effectiveness of the solutions we use, so he gave us a chance to inspect his home and propose a solution along with other companies. In the end, John chose Thrasher because of our professionalism, warranty, process and our reputation.


During our inspection, we identified that water was getting into the basement through the cold joints and floor. To divert water up and out of the basement while keeping the area clean and dry, we installed our WaterGuard drainage system, as well as our premium TripleSafe sump pump. Water from the sump pump was then routed out of the home, through an IceGuard to prevent discharge issues during freezing temperatures, and then away from the home via a buried discharge line. Additionally, we installed CleanSpace vapor barrier along the basement walls to divert moisture from the walls into the drainage system, making the space dry and suitable for finishing.


In the end John was excited to get his living space back and to put his basement back in order. One thing that stood out to John was the thoroughness of our inspection, explanation of the issue and walk through of our proposed solution. Now John can get back to doing what he enjoys most, music, with the peace of mind that comes from knowing his work space and possessions are safe.

Basement Wall Repair in Wichita, KS

This couple in Wichita, KS, became homeowners within the last year and noticed major cracks starting to form on their basement walls. They had grading work done from another company, but the walls continued to shift and move inward. They quickly realized they needed a better contractor that could provide a permanent solution, and after viewing our reputation, they knew Thrasher was the company for them. 

Our crews arrived at the home in Wichita and installed our GeoLock wall anchors to permanently hold back the foundation wall and return it to its original position in the future. 

Basement Wall Repair in Wichita, KS - Photo 1
Super Sump+ and Battery Backup Give Peace Of Mind to Homeowners in Park City Kansas.

With egress windows and a walk-out portion to the basement, the drains are all connected to the sump.  If the sump fails, there is going to be some major issues.  The original sump was also loud and obnoxious.  The customer needed a backup as they lose power quite a bit. 

"We chose ThrasherBecause Thrasher is the best in the industry, and I wouldn't choose another company to the work.  I would rather pay more and know that a reliable company has my back."

We installed a Super Sump+ with a battery backup to give the homeowners peace of mind that their system will continue to work through any loss of power in their home. 

"The way all the drains on the outside of the house tie into the sump." 

Super Sump+ and Battery Backup Give Peace Of Mind to Homeowners in Park City Kansas. - Photo 1
Concrete Repair in Andale, KS

These homeowners had several large cracks on the side of their driveway near the garage. They were also experiencing some settling and voids in other areas concerning them. They were looking for a company that could fix it well and not cost an arm and a leg. So they called Thrasher. Beau Morris went out to their home to do the inspection. He found that the soil from underneath the slab was washed out, and that's why voids were appearing and cracking the concrete. 

To fix this issue, we used our concrete protection 2-part system, including PolyLevel, to lift and level the settled concrete and then NexusPro to seal all joints and cracks. 

The homeowners were amazed with the finished product, and happy Thrasher could get it done.

Concrete Repair in Andale, KS - Photo 1
Wall Crack Repair in Wichita, KS

Twin Oaks Mobile Home Community has storm shelters for their community members. In these storm shelters, the walls were cracking and unsafe for residents during a storm. After considering options for a year, they decided to move forward with us.

We sent System Design Specialist Tobias Conrady to discuss out foundation repair options and coordinate with their corporate officers and 3rd party engineering firm for the best solution. After discussion with these groups, Tobias sent our team to install Geo-lock Anchors to anchor the wall back and secure the structure of the storm shelters. Our team utilized roughly 68 anchors along four walls, measuring approximately 96 feet. 

The Twin Oaks Mobile Home Community was very happy with our communication and how easily the process was to get proposals and options for their problem. 

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