We provide a fast, engineered solution to re-level uneven concrete and protect your home. Our team restores safe access and functionality with minimal mess. We assess the cause of movement before recommending a repair.

At Underpinning Melbourne we are Structural Preservation Specialists. We combine engineering reports with VBA-compliant work to give you peace of mind. Our core services include concrete underpinning, restumping, resin injection and screw piling.

Resin-based methods are often more cost-effective than replacing a slab and are usually completed the same day. The approach uses small holes to inject material that fills voids and lifts the concrete, allowing immediate traffic in most cases.

Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au. For a quick estimate, try our cost calculator.

Key Takeaways

  • We deliver permanent, VBA-compliant re-level and support solutions.
  • Resin methods are fast, clean and often same-day with little disruption.
  • We assess causes of subsidence before any repair recommendation.
  • Our service includes engineering reports for councils and insurers.
  • You can stay at home during most works with minimal downtime.

Stabilise sunken slabs with trusted, VBA‑compliant slab jacking solutions

We use VBA‑registered jacking methods that meet council requirements and give you a clear, engineered route to repair. Our team explains options simply and avoids unnecessary upsells.

Resin injection is non‑invasive, fast and usually trafficable the same day. The method fills voids under concrete, delivers a controlled lift and suits both residential and commercial settings.

  • Engineered slab jacking to stabilise and lift sunken areas while meeting VBA standards.
  • We target the cause of subsidence and monitor levels to protect finishes and services.
  • Small injection points deliver expanding material under concrete for a precise lift.
  • Works are often completed in hours and areas reopen immediately after.
  • Documentation supports council and insurer requirements and gives peace of mind.

Choose a practical solution for your home that lowers disruption and restores safety. Our team will advise on the best slab jacking option and provide clear costs and timelines for the repair. For local expertise, ask about slab lifting melbourne and how we stop further ground movement.

What is slab lifting and how does slab jacking work?

Understanding the repair options helps you choose the right approach for your concrete. We describe the process simply and show when each method suits different loads and finishes.

Slab jacking vs resin injection: lifting sunken concrete slabs

Slab jacking is the process of drilling small holes and injecting expanding material beneath a concrete slab. The resin expands to fill voids and compacts the soil beneath. This gives a precise, controlled lift with minimal disruption.

Underpinning vs slab jacking: when each method is appropriate

Underpinning supports heavier structural elements such as load‑bearing walls and footings. Jacking and resin methods suit driveways, paths, internal floors and commercial concrete slabs.

  • Slab jacking lifts settled slabs by injecting material under the surface.
  • Resin injection expands to fill voids and stabilise soil quickly.
  • The process uses minimal holes and allows same‑day completion in many cases.
  • We assess structural loads and recommend underpinning when foundations need permanent support.
  • We explain the method and aftercare so you know what to expect.

Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au for a clear recommendation.

Common signs and causes of a sinking concrete slab

Early warning signs can be subtle, but spotting them saves time and money. We help anxious homeowners understand risks and next steps. If you see problems, act early to limit damage and cost.

A close-up view of a sunken concrete slab in an outdoor residential environment. The foreground features uneven, cracked concrete, with sections noticeably sunken and grass peeking through the gaps. In the middle ground, rusty rebar is exposed, indicating structural damage, surrounded by dry dirt. The background showcases a suburban house partially obscured by overhanging trees, casting dappled sunlight onto the scene. The lighting is warm and soft, evoking a late afternoon glow, enhancing the textures of the concrete. The overall atmosphere feels somber yet realistic, capturing the impact of sinking foundations in a home setting. Emphasize details like embedded vegetation and the contrast between damaged surfaces and the surrounding well-kept yard. No people are present.

Cracked walls, uneven floors and gaps around skirtings

Look for cracks in a wall, doors that stick and uneven floors. Small gaps at skirtings or window frames show movement. These signs often appear before major damage.

Soil movement, moisture changes and tree root activity

Changes in moisture and reactive clays make soils swell and shrink. Plumbing leaks and poor drainage can wash away fines and create voids. Tree roots may disturb bearing soil and tilt concrete.

Void formation under concrete slabs and subsidence

Voids under concrete slabs lead to cracking and trip lips in paths. Progressive subsidence can follow if causes remain unaddressed. We identify the underlying issues and recommend a targeted fix.

  • Look for: cracked walls, sticky doors and gaps at skirtings.
  • Check: local ponding, plumbing leaks and root damage.
  • Act early: assessment and engineering reports can contain costs.

We provide structural engineering reports when needed and advise a permanent repair, such as resin injection, to fill voids and stabilise sinking areas of your home.

Our slab lifting process: precise, clean and engineered

We follow an engineered workflow that protects finishes and restores safe, level surfaces quickly. Our approach is clear and documented so you can trust the outcome.

Assessment: site inspection, level checks and ground conditions

We start with a site inspection and a level survey. We check ground conditions and locate services before drilling.

Minimal-size holes, targeted resin injection and controlled lift

Small holes are drilled through the slab to access voids. We inject expanding resin in stages and observe jacking in real time.

Re-levelling floors and concrete slabs to restore function

Technicians measure levels during the work to achieve a controlled, even outcome. Floors and concrete slabs are re-levelled to restore function.

Verification, clean-up and council-compliant documentation

  • We verify results with final level checks and monitoring.
  • Holes are grouted and the area is cleaned before handover.
  • Clients receive council‑compliant documentation and advice on drainage.
  • Most areas are trafficable the same day after completion.

We deliver engineered, council‑compliant methods with minimal disruption and full documentation. Our team coordinates engineering reports when required to support approvals and insurance.

Why choose Underpinning Melbourne for concrete slab repair

Our company brings more than 20 years’ experience delivering engineered, compliant repairs. We combine clear engineering with practical site know‑how to protect your floors and foundations.

We are fully VBA Registered and insured. That means council and insurer documentation is handled, and you have peace of mind. We offer free assessments and fixed‑price quotes so you know the cost up front.

Honest assessments, no upselling. We recommend only what is needed. Non‑invasive resin re‑levelling is often fast and areas are trafficable the same day. Works are planned to minimise disruption to your home.

  • More than two decades of local experience on projects.
  • Concrete repair, resin injection and underpinning expertise.
  • Clear communication from first call to completion.
  • We coordinate engineering when required and stand behind our documentation.

For a reliable, documented approach to concrete repair, see our Underpinning services or Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au.

Where slab lifting helps across Melbourne homes and businesses

We provide practical re‑levelling for driveways, garages and commercial aisles to protect value and safety. Our engineered resin approach suits both owner‑occupied homes and investment property. Work is often completed in a day with minimal downtime.

A close-up view of sturdy concrete slabs arranged in a suburban Melbourne backyard, showcasing the different textures and colors of the concrete surface. In the foreground, focus on a slightly cracked slab, depicting signs of wear. The middle ground reveals a neatly maintained lawn and a few potted plants, offering a contrast to the hard surfaces. The background features a typical Melbourne home, crafted in modern architecture with warm brick tones. The scene is illuminated by soft, golden afternoon sunlight, casting gentle shadows that enhance the textures. Capture this image from a low angle to emphasize the concrete's stability and the welcoming nature of the surroundings, conveying a sense of reliability and professionalism.

Driveways, paths and sunken concrete around the home

Resin re‑levelling lifts and stabilises driveways, garden paths and patio slabs. We correct trip hazards and restore the desired level near thresholds and downpipes.

Warehouse floors, factory slabs and commercial areas

We re‑establish even floor levels to improve forklift and equipment performance. Stabilising industrial concrete slabs reduces operational interruptions and limits safety risks.

Garages, patios and internal floor slabs

Internal floors and garage entries regain function fast. Our team tailors injection patterns to each area and coordinates timing to suit your property and tenants.

  • Lift and re‑level driveways, paths and patio slabs
  • Restore safe, even surfaces for garages and internal floors
  • Correct trip hazards in common property walkways
  • Stabilise factory slabs with minimal downtime
  • Address localised sinking near garden beds and drains

For a clear comparison of repair options, see our restumping vs underpinning guide. Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au.

Benefits of resin slab lifting for your property

Resin re-levelling restores function fast and keeps disruption to a minimum. The process is engineered to be accurate and low-impact so you can plan with confidence.

Fast process and immediately trafficable surfaces

Resin injection often completes within hours. Surfaces are usually immediately trafficable after work finishes, saving you time and inconvenience.

Non-invasive, no major excavation and low mess

Only small injection holes are required. That protects finishes and avoids major excavation or prolonged mess.

Cost-effective compared to slab replacement

In many cases resin costs around one‑third of full replacement, depending on site conditions. We provide fixed‑price quotes so you know the cost up front.

Ground improvement, void filling and long-lasting results

The expanding resin fills voids and improves bearing ground. This gives a durable repair for a concrete slab when the cause of movement is addressed.

  • Fast process with same‑day outcomes.
  • Small holes reduce mess and protect services.
  • Often more cost‑effective than replacement.
  • Precise control achieves an accurate level outcome.
  • We offer fixed‑price quotes for budgeting certainty.

slab lifting melbourne: local expertise and tailored solutions

Our local team combines practical site know‑how with engineering guidance. We assess your property and plan a scope that fits use, access and compliance.

Assessments are done on site. We perform level checks and review ground conditions and soils. This lets us design a precise repair for concrete slabs while protecting finishes.

Works are scheduled around occupancy. Most clients can remain at home during the process. We manage safety, council paperwork and clear communication at every step.

  • We understand local reactive clays and seasonal ground movement.
  • Scopes are tailored to your property and daily use.
  • Free assessment and a clear, fixed‑price quote.
Assessment element Why it matters Outcome
Level checks Shows the amount of lift required Precise re‑levelling plan
Ground review Identifies soils and voids Right material and pattern chosen
Access & scheduling Minimises disruption to your home Works completed with low downtime

Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au for a free assessment and a fixed‑price quote.

Pricing, quotes and what affects the cost

We explain exactly what drives the final price so you can plan with confidence.

Costs vary by area size, the amount of lift required and site access. Soil conditions and hidden voids change resin volumes and the time the crew needs on site.

We offer a free, no‑obligation structural assessment and provide a transparent fixed‑price quote after level checks. Many projects finish in a single day, keeping disruption and downtime low.

Area size, lift required, accessibility and soil conditions

  • We inspect the area and measure levels before pricing.
  • Cost depends on the size of the area and lift required.
  • Access constraints can influence drilling and setup time.
  • Soil conditions and voids affect material volumes and duration.

Free no‑obligation structural assessments and fixed‑price quotes

We coordinate engineering when required and outline any council documentation in your quote. Resin work is often far cheaper than full replacement — sometimes around one‑third of the cost. After assessment you receive a fixed quote and a realistic project time estimate.

Factor How it affects cost Typical outcome
Area size Larger areas need more material and time Higher total cost; clear per‑m² pricing
Lift required Greater lift needs staged injections and more resin Longer time on site; increased material cost
Access & site constraints Tight access increases setup time and labour Additional labour charges possible
Ground conditions Reactive clays or deep voids demand more resin Variable cost; assessed on site

Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au for a free assessment and an accurate quote.

A detailed, professional workspace focusing on cost quote assessment for slab lifting services. In the foreground, a well-organized desk with a laptop displaying a detailed spreadsheet with figures and quotes related to slab lifting projects. Beside it, a notepad filled with handwritten notes and a calculator. In the middle ground, a person in smart business attire, attentively discussing prices with a client, conveying a sense of professionalism and trust. In the background, a large window showing a sunny Melbourne skyline, providing natural light that illuminates the scene, enhancing clarity and focus. The overall atmosphere is one of professionalism, clarity, and diligence, suitable for a business-oriented article section.

Engineering, compliance and documentation

We combine field records and engineering sign‑off to give you a council‑ready completion pack.

Our process protects your property and your paperwork. We engage structural engineers when certification is required. Reports show causes, describe methods and include verification testing.

Structural engineering reports and VBA‑compliant certification

Before work starts we record levels at the site. We map injection points and log material volumes during the repair.

This data forms part of your compliance pack. It supports VBA certification and council approvals. It also helps insurers understand the repair scope.

  • We engage engineers for underpinning or deeper foundation work.
  • Reports outline causes such as soil change or subsidence and recommended methods.
  • Level checks are recorded before, during and after works.
  • Injection locations and volumes are documented for traceability.
  • We advise on drainage and soil management to limit future sinking.
  • Completion packs are provided for your records and insurers.

Most projects allow occupants to remain on site. The method uses small holes and is minimally disruptive. Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au.

Choosing the right method: resin injection, mudjacking or replacement

A clear diagnosis guides whether resin, grout or replacement is the correct path. We assess structure, load and access before recommending a solution. This helps you avoid unnecessary cost and disruption.

Resin injection vs traditional grout “mudjacking”

Resin injection uses a lightweight, expanding material. It fills voids through small holes and achieves precise lifts with low mess.

Traditional grout mudjacking uses heavier grout. It needs larger access points and can be more invasive for some finishes.

  • Resin achieves fine control with minimal drilling.
  • Mudjacking uses larger holes and heavier material.
  • We compare options by structure, load and access before advising.

When replacement or underpinning is recommended

We only recommend full replacement when the slab is beyond practical repair. Replacement is the right call for severely cracked or contaminated concrete.

Underpinning and screw piling support footings and load‑bearing walls. These methods address deep movement, heave control and long‑term foundation stability.

  • Replacement for irreparable concrete areas.
  • Screw piling or underpinning for footing support and heave control.
  • We explain pros, cons and lifecycle costs for each method.
  • You receive a clear, fixed‑price scope before we start any jacking work.

We offer Resin Injection, Screw Piling and Underpinning. Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au for an assessment and a tailored recommendation.

Project timeline: what to expect on the day

We keep the day simple and predictable so you know what will happen. Our team works to a clear safety plan and communicates every step. This reduces downtime and avoids surprises.

Typical same‑day completion with minimal downtime

Most projects finish within a day. We arrive on time and confirm the scope and safety plan. Level checks follow and injection points are marked.

Staying in your home while works are completed

You can usually remain at home during the work. Small holes are drilled with dust control and protection for finishes. Resin is injected in stages to re‑level the floor and area.

  • We arrive on time and confirm scope and safety.
  • We perform level checks and mark injection points.
  • Small holes are drilled with dust control and protection.
  • Resin is injected in stages to lift and re‑level the slab.
  • We monitor levels continuously for accuracy.
  • Most jobs finish the same day with minimal downtime.
  • We backfill holes, clean up and walk you through results.
  • You receive post‑works care advice and documentation.

Clear communication is part of the service. If issues arise, we explain options and the time needed to resolve them. Call Chris: 1300 970 930 or Email Chris.

Book your free assessment today

Secure a free assessment and get a clear, fixed‑price quote for your property. We make booking simple and fast so you can plan with confidence.

Start with an enquiry. We schedule a convenient time and attend the site. On arrival we perform a focused assessment of levels, causes and access constraints.

Call Chris on 1300 970 930 or email chris@underpinning-melbourne.com.au

Send site photos to fast‑track your quote and project planning

Photos help us estimate resin volumes and foresee access issues. Email images with a short description and we can fast‑track your fixed quote and schedule.

  • Book a free assessment to understand options and costs for your service.
  • Send photos and a brief description to speed up pricing.
  • We schedule a time that suits your household or operations.
  • On site, we assess levels, causes and access constraints.
  • You receive a fixed‑price, council‑compliant scope.
  • We plan works to minimise downtime and disruption.
Step What we do Typical outcome
Enquiry Collect photos and basic details Fast preliminary quote
Scheduling Agree on time that suits you Minimal disruption to daily life
Site visit & assessment Level checks and ground review Detailed, fixed quote for the project
Handover Documentation and aftercare advice Council‑ready paperwork and peace of mind

Many projects complete within a day with little disruption. Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au. We’re here to restore safety and value with engineered care for your concrete slabs and surrounding slabs.

Conclusion

We combine on-site assessment with engineering to deliver durable, low‑disruption repairs. Our resin-based approach is fast, non‑invasive and often trafficable the same day.

We protect your foundation and address subsidence with documented, VBA‑compliant solutions. For heavier footings we provide underpinning as the right solution.

Choose a clear plan that fixes voids and restores concrete and function. Our team will recommend the best solution, including slab jacking work or alternative lifting solutions when required.

Book a free assessment and receive a fixed‑price, council‑ready scope. Call Chris: 1300 970 930 or Email Chris: chris@underpinning-melbourne.com.au. We restore safety, function and peace of mind across slab lifting melbourne for your home.

FAQ

What is slab lifting and how does slab jacking work?

Slab lifting, often called slab jacking, raises sunken concrete by filling voids beneath the slab. We drill small-diameter holes, inject expanding polyurethane resin or a cementitious grout and control the lift until the surface is level. The process is fast, clean and engineered for long‑term stability.

How does resin injection differ from traditional mudjacking?

Resin injection uses lightweight, high‑strength polymer that expands, fills voids and stabilises ground quickly. Mudjacking pumps a sand/cement slurry. Resin cures faster, is less invasive, has higher load capacity and causes minimal disruption compared with traditional grout methods.

When is underpinning or screw piling a better choice than slab jacking?

Underpinning or screw piling is recommended when foundation failure is extensive, there is major subsidence or soil conditions require deep support. We advise structural engineering assessment to determine whether slab jacking, underpinning or replacement best suits your property.

What are common signs that a concrete slab is sinking?

Look for uneven floors, cracks in walls or floor tiles, gaps around skirtings, doors that stick and ponding on driveways or paths. These signs often indicate voids beneath the slab or soil movement requiring prompt attention.

What causes concrete slabs to sink?

Typical causes include soil movement from moisture changes, poor compaction during construction, erosion, tree root activity and void formation under the slab. Melbourne’s varied soils can exacerbate these issues.

How do you assess a sunken slab before work begins?

We perform a site inspection, level checks and ground-condition assessment. Where needed, we recommend a structural engineer for a report. This ensures a tailored plan and VBA‑compliant documentation for council requirements.

Will slab jacking create a lot of mess or require major excavation?

No. Resin slab lifting is minimally invasive. We use small holes, cause low mess and do not require large excavations. Most areas are immediately trafficable once the resin cures.

How long does the lifting process take?

Many residential jobs complete in a single day. Actual time depends on area size and lift required. Resin cures quickly, so surfaces are often usable the same day or within hours.

Is the repair permanent and will the slab sink again?

When done correctly, resin injection both lifts the concrete and improves ground bearing. This provides a durable solution. We also address underlying causes where possible to reduce recurrence and provide compliance documentation.

How much does slab lifting cost?

Cost depends on area size, lift height, accessibility and soil conditions. We provide free no‑obligation structural assessments and fixed‑price quotes after inspection to give accurate pricing.

Are you VBA‑registered and insured?

Yes. We are fully VBA‑registered, hold appropriate insurance and provide council‑compliant certification and structural engineering reports when required.

Can you lift driveways, patios, garages and warehouse floors?

Yes. We work on domestic driveways, paths, patios and internal floors, as well as commercial slabs, warehouse floors and factory areas. Each project receives an engineered approach tailored to the site.

What happens after the lift is complete?

We re‑level the surface, remove waste, and verify levels. You receive documentation detailing works and compliance where applicable. We also offer ongoing advice to manage site drainage or tree roots.

How can I get a quote or fast‑track the assessment?

Call Chris on 1300 970 930 or email Chris at chris@underpinning-melbourne.com.au. Send site photos to help us prepare a faster quote and project plan.
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