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Residential • Commercial • Industrial • Civil


Remedial Waterproofing & Concrete Repair Services


At Waterstop Solutions, we specialise in fixing leaking buildings and concrete defects across Queensland and New South Wales.

Trusted Expertise. Tailored Solutions. Lasting Results

Drawing from our substantial tunnel works experience across QLD and NSW, we bring a wide range of specialist remedial solutions to:

 

  • Houses
  • Strata properties
  • Commercial buildings
  • Industrial sites
  • Civil infrastructure
  • Government buildings
  • Educational facilities

 

Since 2009, we have built a reputation for delivering trusted solutions that restore buildings’ resilience against rain, hydrostatic pressure, and structural damage. When complex issues arise, we know how to design tailored solutions to safeguard your assets, ensuring long-term durability and peace of mind — so you can focus on what matters most.

 

We understand how stressful building deterioration and water damage can be, as they can trigger a ripple effect of costly repairs, health risks, and safety concerns. Whether you are dealing with water seeping into your basement, leaks in a concrete rooftop, sinking hardstands, or cracked and spalling concrete, our team is here to offer expert guidance and effective, long-lasting repairs.

 

 

Why Choose Waterstop Solutions®?

 

When you choose Waterstop Solutions®, you benefit from our extensive experience in major civil works and our innovative, patent-pending remedial techniques – developed by our Directors Chris Anderson and Harold Du Toit. By leveraging the latest proven technologies in remedial applications, we deliver high success rates while maintaining cost-efficiency for our clients. Our commitment to quality work, delivered with integrity and care, provides peace of mind for all parties.

 

Waterstop Solutions NSW holds an open builder’s licence and the new NSW Registered Design and Building Practitioners Licence, which allows us to work on strata buildings, including those classified under class 2 according to the latest regulations in New South Wales. This accomplishment further cements our position as your go-to partner for high-quality remedial building and waterproofing repairs.

 


A Solid Reputation In Our Industry For Leading Remedial Work

Established by Harold Du Toit in 2009 to service the construction of Clem 7 tunnel in Brisbane, the teams at Waterstop Solutions have since completed tens of thousands of projects across Queensland and New South Wales. From all the tunnels in Brisbane to water treatment infrastructure, bridges, industrial sites, heritage buildings, hospitals, commercial and residential buildings in both QLD and NSW– we bring Waterstop Solutions’ major civil works experience to many sectors in the built environment! – Notably:

Parliament House, Legacy Way Tunnel, Yungaba House, The Gabba, Jewel Residences, Gotham Tower, Airport Link Tunnel, Alex Perry Hotel and Apartments,  Cathedral of St Stephen, QLD Children’s Hospital, Australian Federal Police HQ, Taronga Zoo, Steyne Hotel, M5Tunnel, “The Toaster” (Bennelong Apartments) and Sydney Harbour Bridge.

 

 

With a solid reputation of integrity built upon years of reliable service in the building and construction industry, at Waterstop Solutions we pride ourselves on using industry-leading technologies to deliver superior remedial waterproofing, leak sealing, rising damp treatment, concrete crack injections, joint sealing, subsoil drainage, slab jacking and concrete repair solutions to Brisbane, Gold Coast, Sunshine Coast in South-East QLD and areas in and around Sydney NSW.



Book A Remedial Consultation Today

Concrete Structures We Often Treat For Water Ingress And Concrete Defects:

We specialise in sealing and treating leaks in the following concrete structures:

 

  • Basements
  • Balconies
  • Bridges
  • Car parks
  • Concrete rooftops (excluding tiled and metal roofs)
  • Concrete slabs
  • Concrete Swimming pools
  • Pipe joints
  • Hardstands
  • Joints (cold joints, contiguous pile walls, industrial floor joints, infill slabs, floor-wall, wall-ceiling)
  • Lift pits and shafts
  • Manholes
  • Pipe and service penetrations
  • Planter boxes
  • Retaining walls
  • Tunnels
  • Water infrastructure (conduits, reservoirs, dams, wastewater treatment plants, water treatment tanks)

 

We Recommend Other Reputable Trades For:

 

  • Lightweight constructions
  • Window sills
  • Showers and bathrooms  – Contact a waterproofer specialising in bathroom waterproofing or a specialist builder.

 

For buildings under 7 years old, we recommend reaching out to QBCC and contacting your builder.

 

 

Remedial Reflections - Visit Our Blog

EVERYONE’S SAFETY IS OUR PRIORITY – ALWAYS!

 

Waterstop Solutions’ quality system, policies, and procedures are compliant with AS/NZS ISO 9001, ISO 4801, and ISO 14001 across Australia.

Cm3 Prequalified

Waterstop Solutions is Cm3 prequalified for our OHS/WHS capabilities and practices.

Waterstop Solutions is Cm3 prequalified for our OHS/WHS capabilities and practices.

  • QBCC Licence Classes: Concreting and waterproofing: 1162603
  • NSW Builders Licence: 347295C
  • NSW Registered Design and Building Practitioners Licence: BUP0003240
  • Certificate III in waterproofing
  • Working in confined spaces qualified
  • Elevated Work Platform (EWP) and High-Risk Work (HRW) qualified
  • Part of the QBCC Panel of Providers

 

TESTIMONIALS

Philip CrespinPhilip Crespin
02:38 18 Jan 23
Sam and Elijah from Waterstop Solutions have attended our site and I couldn’t have asked for anyone better. They have both been extremely professional, diligent and helpful. They’ve given me regular updates and indulged all my questions in a really decent manner. Would recommend.
Martha JenningsMartha Jennings
23:27 07 Nov 22
First class! We had some issues with spalling concrete in the suspended slab in our garage and water seepage through the wall in the back. The inspector walked us through the assessment explaining what was causing these issues and how to rectify them. The quote detailing of each step of the process to complete the work and their ability to clearly walk you through each stage of the concrete repair and leak sealing process made Waterstop Solutions stand out from other quotes. The technicians were very skilled and friendly. Outstanding workmanship. Definitely highly recommend Waterstop Solutions for their expertise and professional service.
Matt CornellMatt Cornell
02:20 28 Oct 22
Very happy to refer our clients iwth water entry issues to the team at Waterstop Solutions. It's a tricky thing keeping water out of buildings and the team at Waterstop Solutions know their business very well.
Chris AndersonChris Anderson
01:11 16 Aug 22
Waterstop Solutions are leaders and pioneers in their fields of expertise. The senior management were also was involved developing the first nationally accredited training course for remedial work to the built environment.
Vicki PainVicki Pain
06:04 23 Nov 21
Leaders in their field without a double! I have worked with Chris on and off over the past 15 or so years, As a long term business owner it is easy to see that experience speaks for itself. Waterstop Solutions have provided expert advice on a variety of situations, they really are leaders in their field. Experienced and knowledgeable in order to recommend solutions and problem solve whenever you have unwanted water. Just down to earth and honest.
Pedro Jose BallesteroPedro Jose Ballestero
05:54 09 Dec 22
Waterstop team solved a complex moisture problem in our storeroom. The humidity has been reduced inmensely.The final result has been what it was promised.Great result ,talking about water,humidity and retaining walls difficulties to work with.
Beth NymanBeth Nyman
06:32 02 Dec 22
Adrian and his team were helpful and responsive and went out of their way to fix my problem. Adrian also helped with his expertise in ensuring my insurance company came to the party to fix the water damage.
Shay Vaughn-HudsonShay Vaughn-Hudson
03:38 10 Jun 21
Thank you to Adrian & the Waterstop Solutions team for their recently completed concrete injection works at a residential apartment complex in Pymble.From the initial quoting process, all the way through to post job completion follow up - I found Adrian to be eminently professional, thorough and communicative. The proposed scope of works and timeframe all aligned with an excellent final result from the team. Highly recommend Waterstop Solutions for any remedial waterproofing and concrete repairs.
Marcus GeogheganMarcus Geoghegan
04:00 31 May 21
Adrian and his team are extremely professional, conduct there work in a timely manner and always finish there work to the highest standard, at a cost effective price. Adrian and WWS have conducted many jobs for me and will continue to do so, highly recommended.
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