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Resinject

5.0(379 reviews)
Carey Bay, NSW

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About this business

Resinject provides foundation repair and ground-stabilisation services across NSW, QLD and the ACT, specialising in deep ground injection, slab jacking, underpinning and void filling to fix subsidence, cracked walls and sunken concrete. They use Australian Standard expanding polyurethane resin injected to depth for long-term consolidation, offer work by licensed builders with ISO certification and back their product with a 50-year warranty.

Service areas

Servicing Carey Bay and surrounding locations.

  • NSW (Greater Sydney
  • South NSW
  • Central NSW
  • North NSW & Newcastle)
  • QLD (Brisbane
  • Gold Coast)
  • ACT

See what local homeowners are saying

  • Alison S

    10 Feb 2026

    Richard came out and did an amazing job for us. He looked at my mum’s house and assessed the issues. He was able to identify some moisture issues that exist under the house and the root causes. He als...

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    Richard came out and did an amazing job for us. He looked at my mum’s house and assessed the issues. He was able to identify some moisture issues that exist under the house and the root causes. He also gave me some contacts to resolve some of these so that we can utilise his company in the near term. Very professional.

  • Ashis Sharmata

    20 Jan 2026

    Clear communication throughout the entire process and an honest, accurate quote. The team was easy to deal with and arrived exactly when they said they would. From the office staff to the crew who car...

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    Clear communication throughout the entire process and an honest, accurate quote. The team was easy to deal with and arrived exactly when they said they would. From the office staff to the crew who carried out the injection, everyone was friendly, helpful, and professional. I highly recommend Resinject — it’s not often a company delivers on everything they promise, but Resinject definitely did!

  • Matthew Carpenter

    15 Feb 2026

    Extremely professional outfit! Amazing quality of work. Richard was a genuine gentleman explaining everything as he quoted up the work. And the boys on the day were professional, polite and worked to...

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    Extremely professional outfit! Amazing quality of work. Richard was a genuine gentleman explaining everything as he quoted up the work. And the boys on the day were professional, polite and worked to a very high standard. Can’t recommend them more!

  • Keegan Hipgrave

    9 Jan 2026

    I contacted ResinJect after noticing what I thought was a drop in the corner of my house and was already prepared to have it boosted. David came out and did a thorough inspection, taking the time to e...

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    I contacted ResinJect after noticing what I thought was a drop in the corner of my house and was already prepared to have it boosted. David came out and did a thorough inspection, taking the time to explain everything clearly. He was completely honest and let me know that the house was actually stable and didn’t require any work. I really appreciated the professionalism, clarity, and peace of mind. It’s refreshing to deal with a company that puts honesty first.

  • Leanne Ellis (Annie192)

    8 Oct 2025

    The team did a great job. They were in constant contact prior to arrival, arrived on time and got started straight away. They were friendly, approachable, and answered all questions asked. They kept m...

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    The team did a great job. They were in constant contact prior to arrival, arrived on time and got started straight away. They were friendly, approachable, and answered all questions asked. They kept me informed of progress the whole time they were on site. They cleaned up after themselves and replaced any and all items that they had needed to move to do their job. It's at this point I would normally say something like 'I'll call them next time there's an issue' but I'm confident I'll never need to see them again, which is a good thing. Thanks fellas, we'll be singing your praises.

  • David Purcell

    23 Sept 2025

    I have had dealings with numerous companies with regard to underpinning and found Resinject to be very easy to deal with. Their staff were courteous, attentive and reliable. They quoted the job and co...

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    I have had dealings with numerous companies with regard to underpinning and found Resinject to be very easy to deal with. Their staff were courteous, attentive and reliable. They quoted the job and completed the work within 4 weeks which was outstanding given the led times most have a between 6 months and 2 years. The work was undertaken quickly onsite with minimal disruption to the property and everything was left as it was found with no mess or damage caused. The things that stood out for me were the ease I had in dealing with everyone in the process from first contact, through quoting and completion of work. Every staff member was pleasant, helpful and professional and best of all they were always ontime. Would happily recommend them to anyone

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Home Building costs & guides

Frequently asked questions

How much do builders typically charge?
Builder costs vary widely depending on the job type and complexity. Minor repairs are generally much less than extensions, small builds or structural alterations that need foundations, framing or specialist input. Most quotes include a call‑out fee plus labour and materials, and the page shows live pricing to help you compare options.
Do builders charge call-out fees?
Call‑out fees are common and typically cover travel and an initial inspection or assessment. This fee is usually separate from hourly labour and materials, and after‑hours or weekend attendance often attracts higher rates. Ask whether a call‑out or minimum charge applies when requesting quotes.
Do builders need a licence in Australia?
Yes. Building work generally needs to be carried out by a licensed builder in every state and territory, and NSW builders are regulated by NSW Fair Trading. Builders should be able to provide their state builder/contractor licence number and show appropriate insurances and ABN/GST registration. In Victoria, domestic building insurance is required above a state threshold for certain contracts.
Does Resinject have a verified ABN?
Yes. Resinject has completed ABN verification on SureQuote.
How do I get a quote from Resinject?
Resinject lists email or through their website on this profile, so you can contact them directly for pricing and availability. Share a short scope and photos to get a faster quote.
What areas does Resinject service?
Resinject services NSW (Greater Sydney, South NSW, Central NSW, North NSW & Newcastle), and QLD (Brisbane and surrounds. Contact them to confirm service areas.
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