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Underpinning & Slab Jacking Newcastle, NSW

Across NSW

Safeguard your property’s structural integrity from the potential hazards of subsidence with the knowledge and proficiency of Resinject. We offer services in underpinning Newcastle wide, as well as throughout the New South Wales region.

These services are tailored to reduce the likelihood of damage to your residential, commercial, or government property caused by subsidence and cater to a range of needs from concrete slab levelling to house foundation repairs and beyond.

How to Identify Subsidence

Soil subsidence or the downward shift of soil can result from erosion and fluctuations in ground moisture levels. Man-made factors, such as vibrations from nearby construction and development, may also contribute to this issue. The sinking of soil can lead to your property’s foundations sinking as well, causing various symptoms that can significantly impact your property, including:

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Sunken or sinking foundations

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Sunken or sinking concrete slabs

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Uneven floors

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Cracked walls

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Jammed doors and windows

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Holes and voids

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Unlevel structures and more

At Resinject, we have devised a minimally invasive process to address the issue of subsidence. Our method involves injecting a non-toxic, Australian-made RSJ170 resin into the affected soil areas. In turn, the resin enhances stability and strength, effectively addressing house foundation repairs, floor levelling, and other concrete repair needs.

We Provide Reliable Underpinning Services in Newcastle

With over 60 years of combined experience in providing top-quality underpinning services, Resinject has the expertise to assist a broad range of sectors in Newcastle and the Greater New South Wales region. Our underpinning services cater to:

  • Residential underpinning
  • Industrial and commercial
  • Transport and infrastructure / civil projects
  • Mining
  • Government

For your peace of mind, all underpinning work comes with a 50-year product warranty. This ensures that you receive the same level of support as your property once we’ve completed the job. To schedule a structural consultant to visit your Newcastle property, contact Resinject today.

How does it look? Take a look for your self!

Recent Underpinning Projects in Newcastle we have completed

Don't just take our word for it

See what some of our recent clients in Newcastle had to say!

5/5

Excellent job! The staff has been very friendly and helpful! Very happy with the results! Much better…

Anna, Newcastle East

5/5

Richard and the team did an outstanding job. Our huge home had moved due to reactive soil and Resinject…

Galini, Merewether

5/5

Resinject was a critical partner in completing this project, providing a cost-effective and innovative…

Jamie, Project Manager

Let us handle the hard part

Here’s how our Underpinning Repairs process works

By injecting our resins, compromised soils will be consolidated and stabilised, allowing for permanent wall repair. Our approach involves:

#1

Prepare

Our experts drill a series of tiny holes in the affected area

#2

Inject

We inject our specially formulated poly urethane Resin

#3

Expand

Our Resin fills the voids, hardens instantly which compacts the ground

#4

Result

The area is instantly reinforced and even re – levelled if required

With over 14,000+ clients across NSW, QLD and ACT

Here’s why you should choose Resinject

Combined 100+ Years Experience

50 Year Product Warranty

Licenced
Builders

Certified Australian Resin

ISO Certified 9001, 14001, 45001

Explore some of our

Frequently Asked Questions

Leaving an unstable structure can cause further issues. By having an early assessment/treatment, will save further costs and lessen further damage from occurring.

Most residential jobs are finished within a few hours. Bigger projects may take over a day; your Structural Consultant will discuss the time frame as part of the free site assessment and quoting.

Only a licenced builder has the knowledge and experience required to assess how a building’s internal structure is going to react to ground consolidation and stabilisation.

Drawing on over 60 years’ combined experience, Resinject only uses a resin that has an Australian Standard resin and can be injected to a depth of up to 3.5 metres if necessary with the necessary re-support installed We do offer a 50 year guarantee against shrinkage with our product.

Injection depth can be critical to ensuring long-term ground consolidation. Each situation varies and the injection depth is determined by the state of the ground and or dependant on geo-technical reports. That’s why we inject our resin at multiple and different depths varying between 800mm and 3.5m.

If there are utility services in close proximity to the injection points, we may have to clear some areas for a visual inspection. Otherwise, only small holes are drilled to allow our product to be injected. These are sealed with non-shrink grout upon completion.

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