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Concrete Leveling

 

raised-concrete-example-960x320How it works

Our polyurethane foam method uses the concrete slab itself as a means of delivering poly foams that raise concrete, fill voids, and stabilize soils. A ⅝” hole is drilled through the slab into the subgrade. A tapered delivery port is installed into the ⅝” hole. The injection gun is connected to the port. The injection gun delivers the polyurethane material through the port and slab. Expansion of the material occurs within seconds, compressing loose soils and raising concrete.

Polyurethane Foam Can Also Be Used for:

Void Filling: Concrete settling is not the only issue our foams can solve. Voids under slabs are often present in areas where wash out or excessive settling have occurred. This material will weigh on average 15-25 times less than a traditional mudjacking or cementitious grout mix, applying less stress on an already failed subgrade.

The process for void filling is the same as concrete raising: drilling, port installation, and injecting the material.

Joint/Slab Stabilization: Slab stabilization is often required when slabs lack support, but may or may not be settled. Slabs can crack when loads exceeding its capacity are applied.

Slab/joint stabilization applications require the voids to be filled to eliminate movement and offer support. This type of foam is specifically designed for joint/slab stabilization applications due to its very long reaction time and minimal expansion strength. It will take longer to expand, allowing for better coverage under the slab or down a joint.

A quicker, more cost-effective choice

When compared to concrete replacement, the process of raising concrete with our polyurethane foam is inexpensive. It is also exponentially faster than replacing concrete. Repaired areas are ready within minutes to be utilized, as they were intended. Polyurethane’s ease of material process and clean-up are some distinct advantages over traditional mudjacking with grout.

The Biomax Level System and How It Works

Injecting foam under sunken slabs is revolutionizing concrete leveling repairs

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The Biomax Level System utilizes high-density polyurethane foam to stabilize and level concrete floors and foundations.

The Biomax Level System is a state-of-the-art approach to repairing sunken concrete slabs, such as sidewalks, driveways, patios, pool apron decks, garage aprons, and basement slabs. It takes the original concept of mudjacking (slabjacking) and combines it with modern knowledge and technology. Rather than using a mixture of concrete and mud, Biomax Level utilizes high-density, expanding polyurethane foam to raise slabs back to a desired level.

This is done by boring small (penny sized) holes in the slab, and using specially designed equipment to inject a structural grade polymer into the void. After the void is filled, the expanding properties of the polyurethane foam allows for an accurate lift and leveling of the slab. Finally, the small holes are grouted and sealed, and the slab is completely restored.

To have the Biomax Level System used for your concrete lifting and leveling needs, contact your local dealer today! We offer free estimates for our services across the country.

Why Concrete Slabs Settle and Crack

Concrete settlement is common and can cause significant problems, including trip hazards, pooling water, and cracks. There are two common causes of concrete settlement.

First, concrete is often poured over recently backfilled soil around a home or building during new residential and commercial construction. This soil surrounding the newly poured foundation is actually very loose, and it will settle over time – causing the concrete on top to sink with it.

The second cause is erosion of the soil under the slab. As water runs down through cracks and joints in the concrete foundation it washes the soil out as it passes through. This creates voids under the concrete and eventually allows it to settle.

Concrete rarely sinks evenly, so cracks are likely to develop as one side sinks faster than the other.

Biomax Level Versus Mudjacking:

  • Injection holes are fewer and smaller in diameter
  • Weighs only 2 & 4 lbs per cubic yard (compared to 120lbs of typical concrete)
  • May be walked or driven on 15 minutes after installation
  • The material is waterproof and will never wash out
  • Expansive polymers allow lifting of heavier loads such as stoops and slab foundations

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Step 1: Small 5/8-in. holes are bored through the sunken slab.

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Step 2: An injector port is installed in each hole.

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Step 3: High-density foam is injected into the port, where upon it expands and lifts the slab.

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Step 4: With the port removed, the holes are cleaned and patched with cement.

Restore Your Property Value

Real Estate professionals tell us that, in today’s market, it is difficult to sell a home with cracked and uneven concrete slabs (flatwork). Left untreated, a home’s price may have to be reduced — often by much more than the cost of the Biomax Level repair. There are several different concrete leveling products to consider when repairing your sunken concrete. You should address your concrete leveling problems immediately to save money and avoid lengthy time-on-market scenarios. Most problems can be fixed quickly, and it all starts with a Free Estimate!

About Us Biomax Level uses high-density polyurethane expanding foam to raise settled concrete in residential and commercial applications. The state-of-the-art polymer injection is a cost-effective, advantageous alternative to mudjacking.

Basic technical details about

  • High strength to weight ratio. Unlike mudjacking techniques that pump mortarbased material beneath settled concrete, Biomax Level imposes very little additional weight on the soil. It’s a much smarter slab-raising strategy in areas where soils are easily compressed or have poor load-bearing characteristics.
  • Superior lifting capability. Biomax Level has almost unlimited lifting capability when applied by an experienced technician. Lifting force can approach 6000 lbs. per sq. ft. Settled factory floors and sections of airport runways can be successfully restored to level using Biomax Level.
  • Fast set up and cure. Following application beneath a settled slab or other concrete element, Biomax Level foam expands immediately to many times its liquid volume to create powerful lifting force. In a matter of minutes the foam begins to harden, typically reaching around 90% of its final strength and rigidity in under 20 minutes. These fast set up and cure characteristics minimize down time, completing the repair so that the concrete can become fully functional again.
  • Excellent dimensional stability. Biomax Level foam hardens and cures to a stiff, strong rigid foam material that will not absorb water or alter in dimension over time. Once cured, Biomax Level is totally inert as a material. It does not leech harmful chemicals into the soil.
  • Soil strengthening capability. Once injected, Biomax Level foam does more than expand upward against the sunken concrete. It also moves downward, expanding into loose soil areas that can benefit from the foam’s consolidating action. Other geotechnical applications of Biomax Level include soil stabilization, erosion control and preconstruction soil treatment to improve stability and loadbearing values.