Channeline brings bespoke GRP liners to No-Dig Down Under 2025.
As trenchless technology continues to transform how cities across Australasia renew aging infrastructure, Channeline stands out as a leader in structural lining solutions – bringing cutting-edge materials science, custom engineering, and more than four decades of innovation to the forefront.
Visitors to No-Dig Down Under 2025 will have the opportunity to meet the Channeline team and discover why the company’s bespoke glass-reinforced plastic (GRP) lining systems are trusted around the globe for rehabilitating even the most complex underground structures.
Precision engineered for any shape, any size
One of Channeline’s core strengths lies in its truly bespoke design and manufacturing approach. Whether it’s lining a severely deformed box culvert, a large-diameter brick sewer, or a non-standard egg-shaped stormwater pipe, Channeline’s liners are custom-engineered to suit the exact geometry of the host structure.
Unlike off-the-shelf products that require significant compromise or site modification, Channeline delivers precision-fit solutions tailored to the host structure, minimising installation risks and maximising hydraulic performance.
For larger-diameter pipelines, Channeline offers a unique multi-segmental system – a modular approach that allows large liners to be shipped and handled more efficiently. This reduces transport and handling costs, simplifies logistics to remote or urban project sites, and makes on-site installation safer and more flexible.
Each segment is designed to interlock with precision, and joined with a specially engineered adhesive, ensuring structural integrity and a watertight seal, while facilitating installation in constrained access environments.
Not all host pipes are created equal – and many are far from stable. All Channeline liners are fully structural, capable of carrying full design loads independently of the host pipe condition. This makes them ideal for the most severely damaged infrastructure, including collapsed or degraded sewers and culverts.
Engineers and asset managers can specify Channeline solutions with confidence, knowing that their liners meet international structural standards and can be designed to withstand ground loads, traffic loading, and surcharge pressures.
At the heart of Channeline’s engineering excellence is its patented sandwich panel technology. This design employs a unique polymer and aggregate core to achieve extraordinary stiffness and durability, even in thinner profiles.
The result is a liner that’s stronger yet thinner than conventional GRP alternatives. This thinner wall profile allows for greater retained cross-sectional area, which translates to improved flow capacity – a key consideration for water authorities and stormwater engineers dealing with increasing urban runoff and climate pressures.
With a design life of 150 years, Channeline’s liners are built not just to rehabilitate infrastructure, but to future-proof it.
Proven performance in Australasia
Channeline’s systems are already making a difference across Australasia.
Tidal culvert rehabilitation, Brisbane
When a 13m inverted-arch culvert exposed to tidal flows in Brisbane needed rehabilitating, Channeline delivered a bespoke GRP solution engineered to match the unique geometry and withstand full structural loads. The modular segments, designed for quick installation during low tide, eliminated the need for a cofferdam. This reduces cost, environmental impact, and disruption while ensuring long-term performance.
Ōrākei Main Sewer emergency bypass, Auckland
After the collapse of one section of Auckland’s egg-shaped Ōrākei Main Sewer, Channeline provided custom-manufactured, fully structural GRP liners to match the 2.3m by 1.5m profile. Installed in a dense urban area using modular trenchless techniques, the solution preserved hydraulic capacity thanks to Channeline’s thin-wall sandwich panel design.
See it for yourself at No-Dig Down Under
Channeline is inviting contractors, consultants, asset owners, and anyone else involved in the industry to discover how bespoke, fully structural GRP liners can help solve even the most complex trenchless rehabilitation challenges.
Visit Channeline at booth A17 to speak with the company’s technical experts, check out product samples, and learn how Channeline goes beyond the ordinary to solve infrastructure challenges worldwide.
For more information, visit channeline.com
This article was featured in the June edition of Trenchless Australasia.
Subscribe to Trenchless Australasia for the latest project and industry news
.png){kind=logo}
.jpg){kind=small}
