CONCRETE SLAB LIFTING, VOID FILL,
AND COMPACTION GROUTING
Concrete can settle for many reasons. These reasons include but are not limited to: decaying organic matter, weak or unconsolidated soil, poor compaction, and heavy weight. When the soil that supports a structure or concrete slab moves, everything above the soil moves with it. How can structural polyurethane resins solve the problem and lift the concrete?
Resins are injected under the slab through small drill holes 3/8” wide. As two liquids combine, a chemical reaction takes place causing an expansion process in as fast as 15 seconds. Resins expand to fill all voids present and compact, compress, and squeeze soil to ratings that are hard to obtain by traditional equipment. Once positive pressure is reached on the above slab, lifting begins. The lifting process is monitored closely to guarantee desired elevation is achieved. Not only is the concrete lifted and the voids filled, but the soil is compacted and stabilized to mitigate future movement.
Where does this process thrive?
- Industrial Facilities
- Warehouse slabs
- Commercial real estate parking lot
- Airport Runways
- Railway Beds
- Pool Decks
- Golf Courses
- Interior concrete slabs
- Shipping Facilities
- Campus sidewalks
- Concrete slabs with heavy equipment
- Lift Station
- Traffic ready in 15 minutes: Little to no downtime.
- High-density, high-strength, low weight. Cured resins add less stress to already weak soil.
- Resins expand between 15x and 35x their liquid states to fill even the largest of voids.
- Support up to 14,000 lbs per sq ft in a free rise state.
- Hydrophobic or hydro-insensitive: works in wet environments and displaces moisture.
- Bonds with soil and concrete.
- Certified to NSF 61-5 (approved for contact with drinking water)
Check out the below blog posts for more information on this process:
- Why “Foam” Part 1 – A Comparative Look at Polyurethane Concrete Lifting VS. Mudjacking
- Why “Foam” Part 2 – How Strong is “Foam”?
LEAK SEAL AND INFRASTRUCTURE REPAIR
It’s no secret that water is tenacious. When it gets into, out of, or around its intended barrier, problems arise. Sometimes these problems are caused by construction failure, some by natural disaster, and most often they are caused by time (think aging infrastructure). Persistent water can find its way through soil, concrete, and pretty much any other substrate you can think of. Historically, when repairing problems related to water leaks, the first option is to bring in an excavator and open up the soil.
What if there was a way to minimize site disruption and solve the problem with a less invasive method?
Our methods can solve a leak seal problem without having to excavate. We have aligned ourselves with industry leaders in the polyurethane leak seal arena to make sure we can handle even the toughest leak seal project.
Why is this method so effective? Well, water is thin. It can work its way through even a hairline crack. Our resins are also thin meaning we track even the smallest of leaks. This process is not just for the small leaks though. We can also handle high flow high volume leak seal projects. To top it off, after water paths are sealed, resins work their way throughout soil properties, encapsulating them to create a solid water impermeable barrier, mitigating future leak issues in this area.
Common Repair Projects:
- Leaking basement
- Infiltration and Inflow Repair
- Sinkhole Mitigation
- Box Culvert
- Dam and Levee Leak Seal
- Water Treatment Tank
- Lock and Dam
- Manhole Leaks
- Elevator Pit
- Parking Garage
- Storm Drain
- Utility Tunnel
- Curtain Wall
- Crack Injection
- Low viscosity resin to chase down even the smallest of leaks.
- Hydrophobic or hydrophilic properties
- Set times controlled with a catalyst allowing for fast leak shut off or slow cure for maximum crack travel.
- Positive or negative side treatment.
- Works in wet environments.
- Less invasive – injections through ½” hole
Check out these blog posts and case studies for more information:
- Leak Sealing with Chemical Grouting
- Case Study: Water Treatment Plant
- One Sheeter: Infiltration and Inflow
Weak soil can cause many different issues. Soil stabilization projects could be related to erosion, unconsolidated soil, or water migration just to name a few. Sometimes these issues can be labeled an emergency and most of the time the repair processes are quite in depth. That’s why we have pursued new and innovative ways of stabilizing soil and increasing its bearing capacity with various methods of chemical grouting with polyurethane resins. Depending on the soil type and the conditions at play, our repair plan could include expanding structural resins, permeating resins, or a combination of the two. Either way, the repair processes are much less invasive, and the onsite footprint is minimal. Have we mentioned we are big proponents of no downtime?
What projects are a good fit?
- Cut off walls
- Soil Slide
- Moving structures/buildings
- Pre-construction site stabilization
- Sinkhole Remediation
- Seawall Stabilization
- Retaining Wall Stabilization
- Slope Failure
Check out these links for more information on Soil Stabilization projects: