Warehouse racking & sinking floor slab solutions

Detail view of failed concrete slab creating uneven surfaces in factory

How unstable ground puts your racking system at risk

Your warehouse racking is a precision-engineered system. It relies on a perfectly level and stable floor slab—often built to high floor flatness (FF) and floor levelness (FL) tolerances—to work safely.

The problem starts when the ground beneath the slab fails. This is often caused by:

Poorly compacted ground from when the warehouse was built.

Heavy, long-term loads from the racking itself.

Constant vibrations from forklifts and MHE (Material Handling Equipment).

Soil erosion from leaking drains washing away fine soil.

View of warehouse shelving looking from ground upwards to the high top

When the ground fails, the concrete slab sinks, cracks, or rocks.

This puts your racking system under immense stress, leading to:

Racking uprights becoming out-of-plumb (leaning)

Damaged or shearing anchor bolts as the slab moves

Increased risk of rack collapse

Failed safety inspections and non-compliance

Disruption to automated systems (AGVs) that rely on level floors

3D view of exposed soil under concrete slab in warehouse with Geobear techs injecting geopolymer

A fast, non-disruptive solution for your warehouse floor

Instead of a full "rip and replace" of the concrete slab—a solution that means massive cost and downtime—our solution fixes the problem from beneath, with minimal disruption.

Our geopolymer injection process is like keyhole surgery for your floors.

We drill a series of small diameter holes through the slab.
We inject our specialist geopolymer material into the weak ground beneath.
The material expands, filling any voids and powerfully compacting the soil.
This process restores stability to the ground, and if required, we can precisely lift the slab back to its original level, monitored in real-time by lasers.

Illustration depicting geopolymer injected under a concrete slab into soil (binding the soil) in a retail backroom.

Keep your warehouse operational

For a busy logistics or retail operation, downtime is not an option. Our solution is designed to protect your business.

Minimal disruption

There is no excavation, no dust, and no water. We can often work overnight or in targeted sections, allowing your operations to continue uninterrupted.

Fix safety & compliance issues

By re-levelling the slab and stabilising the ground, we restore the integrity of your racking, eliminate hazards, and ensure you can pass safety inspections.

Fast results

Our material cures to 90% strength in just 15 minutes. Racking can often be re-loaded and the area returned to full service immediately after we finish.

Cost-effective

Our solution avoids the enormous cost of downtime, moving stock, and replacing an entire concrete slab, making it a far more economical repair.

Over 32,000 commercial slab lifting projects completed over the past 40 years

Warehouse/Factory

Featured case study Void Filling

Hovis slab stabilisation

Settlement beneath an industrial floor slab at a Hovis facility caused voids and loss of support, requiring stabilisation without interrupting production operations.