Chemical Injection Solutions
Slab Jack Industries can help with the following chemical injection systems
High density foam for lifting heavy slabs & foundations
Raising concrete with structural polyurethane foam is done with incremental injections. Lifting foam will fully expand within 10-15 seconds allowing us to monitor the raising and preventing over raising the slab/foundations.
Structural Polyurethane Lifting Foam
Our stabilisation polyurethane was developed to have a slower reaction time which allows the material to spread further. Because of
the distance the material can travel, it is ideal for undersealing and stabilising joints on rocking slabs.
Stabilisation Polyurethane
The resin is saturated into the ground through a point. When cured this will bind and stabilise loose soils. When saturation is achieved, the point is retracted and more material is installed. This produces a solid column amidst loose soils. Points of cured soil binder can offer support to a slab, like legs on a table.
Commonly installed in sandy or swampy environments, installing columns of soil binder can offer additional support to slabs that have been lifted. It can also be installed prior to pour a slab to prevent settlement.
Applications
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Stabilize: Peat Moss, Loose Sands, Soil
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Support new slabs, Foundations, Helical Piers
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Erosion control: sea walls, sand bunkers, retaining walls
Permeation Grouting
A Hydro-Insensitive Polyurethane
We use hydro-insensitive polyurethane foams specifically designed for jobs where water or moisture is present. It is designed to set up in the presence of water and to maintain dimensional stability in wet
environments. Useful behind seawalls and in negative side waterproofing applications as it will:
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Displace Standing Water
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Fill Voids & Cracks
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Regenerate a Water Tight Barrier
Curtain Grouting Polymers
THE BENEFITS
Polyurethane Vs Traditional Underpinning
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Zero excavation
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Densifies and strengthens soils
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Displaces water & prevents infiltration
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Environmentally friendly Inert and safe
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Restores strength long term ( > 10 years )
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Non destructive –Reduced down time
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Quiet installation
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Keeps important assets in service, minimal interruption of operations
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Water movement halted
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Enhances Underground structures
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Concrete Pavements realigned
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Sub Base Stabilized
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Prevents future settlement
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Seals leaking joints in pipes & underground structures
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Single application
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Sealing & stabilizing operation in one
SUSTAINABILITY
We are the ONLY company that uses polyurethane foam for concrete raising from recycled material in Australia. Our patented materials are made from recycled components, making it the “greenest” polyurethane foam on the market.
HMI has developed this revolutionary new foam that is setting new standards in polyurethane foam quality. ASTM tested, this recycled material is the best foam available for raising and stabilizing concrete. Each foam is specifically designed for applications such as lifting, high density lifting, stabilization, and undersealing.
Formulating with recycled foam, offers the advantage of using super charged raw materials that have already been quality foam. Recycled foam provides benefits like fast tact free time and a high compressive strength skin that adds strength. Fast and aggressive expansion for lifting concrete, along with a 15 minute final cure time, allows for slab manipulation while adjusting for the perfect lift.
Our Polyurethanes
WE DO NOT USE TOXIC CHEMICALS
Major toxic chemicals, often associated with some types of polyurethanes, such as some blowing agents, formaldehyde, benzene and toluene are NOT used in our foams. Most of what is warned against on the Internet pertains to these chemicals.
AS SAFE AS THE CUSHIONS YOU SIT ON!
The foam we install under ground is like the foam in your mattress and or in your couch. Instead of it being built in a factory, we make the foam directly under the slab. Instead of being light and fluffy it is firm and strong.
DIRECTLY FROM THE EPA
The EPA states that cured polyurethane is safe unless burned or ground into a fine dust.
THE PROCESS
Our expert applicators drill 16mm holes in the affected area, most times we can access the area from the outside.
STEP 1
STEP 2
Polyurethane resin is injected to fill voids underneath the slab or footings. The polyurethane expands exerting pressure to support the area underneath the slab.
STEP 3
The expansion is carefully monitored by laser level and the polyurethane is set in 15 minutes.
STEP 4
You can see the results instantly as cracks disappear and slabs lift as the polyurethane expands. Upon completion the area is trafficable and ready for use.
