Cracked walls
A major cause of cracked house walls is ground below the footings losing load-bearing pressure. Cracks that keep growing are the warning sign.
Sinking Foundations, Walls & Concrete · QLD, NSW, VIC & ACT
Resin injection underpinning, no excavation.
Traditional underpinning digs out your footings. We inject certified Australian expanding resin through a few small holes instead, stabilising the ground and lifting your home or site back to level. Most jobs are done in hours, not weeks. We inject expanding resin through a few small holes to stabilise the ground and lift your home back to level. Most jobs done in hours.
- Servicing QLD, NSW, VIC & ACT
- 50-year product warranty
- Licensed builders
- Certified Australian resin
- ISO certified
The same wall, the same day.
Watch the yellow gauge tape. It buckles as the crack closes, because the wall is coming back up.
15,000+projects completed
5.0 ★450+ Google reviews
50-yearproduct warranty
Since 2011Australian owned
What we can help fix
Spotted one of these? Your ground is telling you something.
Compromised ground under footings and slabs loses its load-bearing pressure. Left alone it only gets worse, and dearer to fix. Resin injection consolidates and stabilises the ground, minimising the risk of future movement.
Cracked foundations
When foundations crack, the structural integrity of everything above them is at risk. Repairing early costs a fraction of replacing later.
Sunken or cracked concrete
Compromised subsoils cause slabs to crack or sink, common in driveways, paths, roads and factory floors. We lift them back to level.
Sunken floors
Uneven, settling floors are a trip hazard and a sign your property's structure is at risk. Re-levelling restores safety and value.
Jammed doors & windows
Sticking doors and windows are an early sign of subsidence. Addressed now, the fix is simple; ignored, it gets costly.
Unlevel homes & buildings
Internal and external cracking together usually means the building itself is out of level. We lift and re-level it precisely.
How we do it
Engineered lifting. No excavation, no demolition.
Our expanding polyurethane construction grout is made and certified in Australia, for Australian conditions. It compacts and stabilises compromised ground, increasing its load-bearing capacity and preventing future movement, backed by a 50-year product warranty.
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Free assessment & quote
A structural expert assesses your property, explains exactly what's moving and why, and gives you a clear quote, free.
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Precision resin injection
Small injection points, no digging. Our licensed crews inject proprietary resin that expands and consolidates the ground beneath your footings.
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Watch it lift, level & lock in
Laser-monitored lifting brings the structure back to level, often within hours. You can see cracks close as we work. Life back to normal, same day.
Examples of our work
Don't take our word for it. Inject it yourself.
Every photo below is a real Resinject job. Press and hold Inject and watch the resin rise. The repair lifts into place exactly the way it does on site.
Pick a job:
Crack gauges and markers in the photos are ours. We measure every job before and after the lift.
Recent client reviews
A perfect 5.0 across 450+ Google reviews.
Not 4.8. Not "mostly happy". Every rating, five stars, from homeowners, builders and site managers across QLD, NSW, VIC and the ACT.
“Our home is 117 years old. We called out at least 10 different companies, all giving different solutions. We found Resinject's quote the most competitive and accurate. On the day, the crew was professional, on time, and kept the place clean and tidy. You can see the cracks getting smaller as they begin their works. We are very happy with the results.”
“Great company to deal with: professional, timely and clear communication. From the initial consultation with Nathan to the works being completed by Adam and Jack, nothing was an issue, all of our questions were answered (and we had a lot!) and we are extremely happy with the outcome.”
“Adam and the crew arrived on time, completed the job successfully and left the site clean and tidy. All three members of the crew were polite, friendly and efficient. Three separate slumping issues, completed in under 3 hours. I am another satisfied customer.”
Industries we service
From family homes to mine sites.
Residential
Industrial & Commercial
Civil
Mining
Accredited, licensed, certified.
The same standards on every job, from family homes to mine sites.
- Licensed builders: NSW 247682C · QLD 1237970 · VIC CDB-U 101699 · ACT 201674
- Over 100 years combined experience
- Proprietary resin tested to Australian standards
Request a free quote
Save money by repairing, not replacing.
Tell us what you're seeing and a structural expert will get back to you, or skip the form and talk to a human right now. Either way, the quote is free.
Prefer to talk it through?1300 091 441- Free quotes
- 50-year product warranty
- QLD, NSW, VIC & ACT