Slab Jacking: Expert Concrete Lifting & Stabilisation with Polyurethane Resin Injection
Is the speed and performance of your Materials Handling Equipment (MHE) affected by uneven floors inside the warehouse? Our slab jacking and concrete lifting services are a cost-effective solution.

When concrete ground slabs are unlevel or move differentially under traffic, this indicates a loss of load transfer across the joints and the potential of voiding or lack of support underneath the slab.
On internal warehouse floors trafficked by MHE, this rocking motion and uneven floor surface can cause damage to the concrete joint arris.
Unlevel floors ultimately lead to damaged MHE and increased risk of trips and falls for site pedestrians.
Minimise Hardstand Damage and Avoid Structural Failure
On external hardstands with inadequate maintenance, water ingress will further exacerbate these issues.
Heavy truck traffic can cause a pumping action when they travel over the rocking joints, and water under the slabs pumps out fine particles in the sub-base.
If not treated properly and addressed early on, these common issues only worsen over time …
… and can ultimately lead to structural failure of the floor and the need for full concrete replacements.
Introducing Slab Jacking Using Polyurethane Resin Injection

Slab Jacking via Polyurethane Resin Injection is a highly effective solution –
for stabilising and releveling concrete ground slabs suffering from differential movement and settlement.
In comparison to alternative methods such as mud jacking and concrete strip replacement, slab jacking is not only more efficient and cost-effective but is also much less disruptive.
This is critical for minimising downtime in busy industrial environments.
How Does Slab Jacking Work?

Slab Jacking, also known by many other terms such as concrete leveling, concrete lifting, foundation lifting, foundation repair, sunken concrete repair, or foam jacking, works in the following way:
- Two polyurethane resins are injected in an equal 1:1 ratio through the affected slabs and into the soils below.
- As the resins mix, under specified temperatures and injection pressures, they form a high-density, structural foam that fills any voids and consolidates the soil as it expands, increasing its load-bearing capacity.
- Once the bearing capacity of the ground is greater than the weight of the concrete above it, the expansive properties of the foam cause it to push against the underside of the slab in an upward motion. This raises and relevels the concrete back to its original floor level.
Expert Concrete Lifting Services
Let us handle your uneven concrete issues with our professional leveling services, delivering impressive results in no time.

Our fast and effective leveling solutions are designed to eliminate trip hazards and improve aesthetics.
How We Relevel Your Floors and Hardstands

- Firstly, we take level readings to determine the amount of concrete lifting required.
- A service location scan is then carried out to safely determine underground utilities.
- Holes are drilled through the full depth of the slab, in pre-determined locations at typically 600-1200mm centres.
- Injection ports are installed into holes for shallow injection or drive rods into the ground for deep injection.
- The resin is heated to the required temperatures and appropriate injection pressures are set.
- Selected resins are injected into the sub-base, filling voids and consolidating soil as it expands.
- The process is carefully monitored via a laser-level.
- Once the required results are achieved, the injection ports are removed.
- Any holes are patched with cementitious mortar.
- A completion level survey is taken, and the site is then returned to full service.
Benefits of Slab Jacking

- Long-lasting:
Our concrete lifting services provide long-lasting, cost-effective results, strengthening the ground beneath the slab and restoring its load-bearing capacity.
- Less Disruptive:
Our processes are less disruptive than most alternative methods, essential for busy working warehouses.
- Safety:
Your MHE travels safely, faster, and more efficiently, increasing warehouse productivity. Personnel safety is also restored with a reduction in the risk of slips, trips, and falls from uneven floors.
- Premium Products:
Finally, our experienced and knowledgeable teams only work with the best products: premium subsidence resin injections, and CoGri repair mortars, ensuring your project is completed efficiently and correctly.
Don’t Let Uneven Concrete Surfaces Affect Your Warehouse Operations
Contact us today to learn more about how slab jacking can help restore your unlevel concrete floors.
Why Choose us?
- Proven Track Record – Our successful projects across various industries speak for our capabilities.
- Comprehensive Aftercare – We believe in building lasting relationships with our clients.
- Competitive Pricing – We offer cost-effective solutions without compromising on quality.
Concrete Floor Repair Services

Reconstruction of the joint arrisses

Replacing defective sealant to protect arris edges

Rebonding of two sections of the floor slab

Resin Injection
Lifting and levelling concrete

Dependant on the relevant issue
The post Slab Jacking: Expert Concrete Lifting & Stabilisation with Polyurethane Resin Injection appeared first on CoGri Asia.