Polyurethane Concrete Lifting & Levelling Services
Polyurethane concrete levelling is a more affordable alternative to concrete removal and replacement and a less invasive option compared to mudjacking. This method is less disruptive and offers several advantages over traditional slab raising techniques.
At Slab-Jack Kings, our concrete lifting technicians are trained experts with over 10 years of hands-on slab jacking experience. We provide concrete lifting and leveling services using various concrete raising foam systems, tailored to each project’s needs.
Our service areas include Winnipeg and its surrounding areas, most of Manitoba, and most of Northwestern Ontario. Check out our Service Areas page to confirm if we serve your location.
The Concrete Lifting Process
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1. Site Setup & Access
On the day of your job, our crew begins by setting up access to the area that requires concrete lifting, void filling, or under-slab insulation. All polyurethane concrete lifting equipment is contained in our trailer, with enough hose length to reach almost any location on your property. The trailer remains parked while our technicians pull out only as much hose as needed to access the slab being repaired.
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2. Drilling Injection Holes
Small, strategically placed injection holes are drilled into the concrete slab that needs lifting. The locations are chosen to allow the polyurethane foam to travel beneath the slab, fill hidden voids, and provide even support across the area being raised.
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4. Foam Expansion & Slab Stabilization
The concrete lifting foam has an average reaction time of about 12 seconds. During that time, it can travel in roughly a six-foot diameter beneath your slab, expanding slowly and in a controlled manner throughout the voids. As it expands, it compresses and stabilizes the supporting soils, creating a strong, long-lasting base for your concrete slab.
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5. Controlled Lifting Technique
To protect the slab from cracking, our lifting technician will “bunny hop” from hole to hole, lifting the concrete in small, controlled stages instead of forcing it up all at once. With our combination of specialty equipment, experience, and technique, slab damage during lifting is extremely rare.
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6. Post-Lift Patching, Finishing & Timeline
After the injections are complete, all holes are patched with a fibre-reinforced patching material selected to match the colour of your existing concrete as closely as possible. Concrete naturally lightens with age due to UV-ray exposure, and our fibre-reinforced patching compound also lightens over time to blend in.
Many customers also have broken areas of concrete that need to be patched, or gaps between adjacent slabs that should be filled as a preventative measure. Depending on the width and length of each crack, break, or gap, the appropriate material is chosen at the time of the estimate and priced accordingly. This part of the job is weather-dependent: if it is raining, patching and caulking must be postponed until conditions are dry.
The average driveway or sidewalk concrete repair typically takes about 1–2 hours, depending on the scope of the project. Garage floors, basement slabs, and other interior floors can take most of a workday, especially for larger lifts or where there are significant voids beneath the concrete that cannot be seen from the surface. Every slab and every job is unique, so timelines are always based on site conditions. Once the lifting and patching are complete, your concrete slab is ready for use almost immediately after our crew is finished.
For more details about polyurethane concrete lifting and levelling and what to expect on your project day, please visit our FAQ page, where we answer the most common questions about the process.
Polyurethane Concrete Lifting & Levelling Applications
Our high-density polyurethane foam is ideal for lifting, levelling, and stabilizing settled slab-on-grade concrete in residential, commercial, industrial, agricultural, municipal, and engineered applications.
- Driveways
- Sidewalks
- Patios
- Basement floors
- Garage pads
- Shop floors
- Pool decks
- Poured-in-place, formed concrete steps
- Walkways
- Landscaping slabs
- Any slab-on-grade interior or exterior concrete
- Office and retail floors
- Concrete parkades and ramps
- Commercial sidewalks and walkways
- Gymnasium and classroom floors
- Wheelchair access ramps
- Bus shelter pads and platforms
- Slab-on-grade university tunnels and corridors
- Joint stabilization and void filling in storefront and plaza areas
- Machine base stabilization
- Industrial plant slabs
- Warehouse slabs and loading areas
- Rocking concrete floor panel correction
- Tank foundation injection
- Floating dock barrel support
- Railroad approaches
- Airport runways and tarmacs
- Restoring load transfer in heavy-traffic or high-load areas
- Grain bin floors and pads
- Hopper bin pads
- Barn and shop floors
- Feedlot and yard slabs
- Concrete aprons and approach slabs at farm buildings
- Slab-on-grade storage and equipment areas
- City roads
- City sidewalks
- Settled bridge approach slabs
- Settled concrete roads, highways, runways, and tarmacs
- Wash-outs and sinkhole remediation
- Concrete work over permafrost
- Rocking floor panel stabilization
- Abandoned culverts, pipes, and ducts
- Erosion control
- Soil stabilization
- Insulating and sealing electrical and mechanical vaults
- Filling abandoned culverts, pipes, and voids
- Reactive clay and other erosion stabilization
- Blast rock stabilization
- Settled decks and aprons
- Friction pile correction
- Liquefaction prevention
- Secondary containment enhancement
- Space filling in tunnels during sleeving processes
- Water infiltration and exfiltration control
- Catch basins
- Deep storm system voids
- Lift station pads
- Weight scale foundations
Articles & Resources
Concrete Lifting vs Replacement – How to Decide What’s Best
When dealing with sunken, cracked, or uneven concrete, home and business owners must choose between concrete lifting vs replacement for effective solutions.
Foam Jacking & Concrete Lifting Maintenance: How to Protect & Extend Its Lifespan
Learn essential tips for maintaining your concrete after lifting. Our comprehensive guide covers the best practices to ensure long-lasting, durable concrete slabs. Get expert advice from Slab-Jack Kings.
How to Fix a Sinking Concrete Slab With Polyurethane Foam
Discover the efficient and cost-effective method of fixing sinking concrete slabs with foam. Learn the process, benefits, and why it’s the preferred solution.
Concrete Driveway Crack Repair & Maintenance Guide
Learn how to prevent cracks in concrete driveways with our expert tips. Protect your investment and maintain the longevity of your driveway with proactive maintenance strategies.
6 Causes of Sunken Concrete and How to Prevent It
Why does concrete sink? In this article you’ll read about common causes of sunken concrete and how to prevent it from happening.
My Pool Deck Sounds Hollow! What should I do?
My Pool Deck Sounds Hollow Why Are Cracks Forming In My Pool Deck? Notice cracks forming in your pool deck? Have a baseball bat lying around? Some simple ways to find potential dangerous voids beneath pool decks starts with checking for cracks, critter-made holes...
Polyurethane Concrete Lifting Cost – Why Choose Foam vs Mud?
Discover the efficient, cost-effective method to fix sinking concrete slabs with foam. Learn the process, benefits, and why it’s preferred.
What Can’t Be Restored with Foam Jacking or Mudjacking?
What Can’t Be Restored with Foam Jacking or Mudjacking? 1. Precast or Hollow Cast Steps and Staircases Why They Can’t Be Raised: Precast or hollow cast steps and staircases present a unique challenge. If there isn’t a solid concrete slab beneath the staircase, it’s...
Slab-Jack Kings Reviews
Our small town had lots of supervisors when this truck, trailer and crew showed up. The guys were friendly and answered ALL of their questions. I wld recommend Slab Jack Kings to anyone needing a driveway lift.
Thanks to Tim also, showed up to measure and provide quote. All other companies were just asking for pics and provided estimates. Tim from Slab Jack Kings showed up...and that is worth alot right there.
Thx guys!
The Stinsons
Slab-Jack Kings helped me to pump for settling in 2020 which was four years ago.
This year, I contacted them and they told me that my situation is still covered by the warranty. Today they get the work done with quick and professional manner. I really appreciate to work with honest company like them. I will definitely ask help from they if there are something wrong with my basement again in the future.
For my project, foam jacking was the best option: it was faster, less invasive, and much cheaper than mud-jacking or replacing the whole slab.
I'd definitely recommend this company if you have a slab or sidewalk or something that's off kilter. Everyone I dealt with was excellent and all aspects of the project were clearly communicated.
Thanks!
Chris and Jeremy arrived on time, and were very professional. Chris verified the work with my husband Jeff before starting. They did a fantastic job of leveling our patio and sunroom pad, raising it over 3 inches in one area. Cleanup was exceptional, no mess left.
Would definitely recommend this company!
4 years ago: Chris did a good job setting expectations and advising me of the jacking process. He completed the job only about a month after the estimate, and at the quoted price.
I did a bit of research before going with foam jacking over mud jacking. A couple of the reasons I went with foam jacking were weight, strength and durability. I would recommend Slab Jack Kings.
Chris Lenchyshyn was a pleasure to deal with. Everything was as promised and happened so fast I did not even know they were here. I would recommend dealing with Chris and company. You will not be disappointed.
They advised us throughout the process of what would happen doing a lift of 7 inches. When the floor of our attached garage presented with some unforeseen circumstances, they advised us of the issues and presented options for us to choose from. The before and after photos were great to receive.
We would have no hesitation to refer our friends and family to Slab-Jack kings for the concrete lift jobs.
The work itself was great. I can hardly see the holes that were drilled to inject the urethane mix.
Finally after only three days, several of my neighbours have come by to look at the job and are interested in contacting this company for more information.
A fine family owned Manitoba company.
