Rail
Suitable for rail corridor assets where documentation, safety systems and disciplined delivery are essential.
Commercial / Civil • Trenchless rehabilitation
Large Diameter Pipe Relining (CIPP) in Sydney Structural, load-bearing liners for rail, culverts, road & manholes — without excavation.
Maida delivers engineered CIPP solutions for non-pressurised assets where strength, compliance and programme certainty matter.
- Load-bearing structural rehabilitation
- Designed for critical infrastructure environments
- Fast mobilisation when schedules matter
Diameter225mm – 1500mm
Flexural modulus8000 MPa
Flexural strength200 MPa
Typical lead time< 7 days
Trusted by teams that manage critical assets
Designed for load-bearing, non-pressurised infrastructure
Where excavation is expensive, access is limited, or shutdown windows are tight — CIPP provides a structural renewal option with minimal disruption.
Culverts
Circle, box, ellipse, arch and corrugated profiles — steel, concrete and composite host pipes.
Manholes
Helps address degradation mechanisms (including corrosive environments) with durable internal rehabilitation.
Road corridors
Rehabilitate drainage infrastructure with minimal traffic disruption and reduced excavation footprint.
Sumoline® — NuFlow’s strongest liner
Engineered composites and epoxy resin systems designed for structural performance in large diameter, load-bearing applications.
Pipe diameter scope225mm – 1500mm
Flexural modulus8000 MPa
Flexural strength200 MPa
Typical wall thickness5mm
Install lead time< 7 days
- Permanently bonds to the host pipe to form a structural composite.
- Designed to reduce leakage pathways and help limit future ingress points.
- Can be specified to suit bends, junction transitions and complex geometries.
- Smoother internal surface can improve hydraulic performance vs deteriorated host pipe.
Certified systems, documented delivery
You’ll get clear documentation from inspection through to completion — supporting project approvals, asset records and QA. We can provide technical data on tensile, flexural, compression, abrasion, ring stiffness, chemical/immersion, heat distortion and more.
1
Inspect & validate
CCTV / access review, condition assessment and feasibility.
2
Engineer the scope
Product selection, thickness, resin system and cure method to suit constraints.
3
Prepare & install
Cleaning, reinstatements (as required), install and cure within shutdown windows.
4
Verify & handover
Post-CCTV, QA pack and warranty documentation.
Large diameter CIPP FAQs
Quick answers for engineers, asset managers and project teams.
What pipe sizes are suitable for large diameter relining?
Scopes commonly range from 225mm up to 1500mm, depending on access, geometry and the host pipe condition.
Can you reline culverts with non-circular profiles?
Yes — many projects involve box, ellipse or corrugated profiles. Suitability depends on dimensions, access and condition.
How do you prove performance for approvals?
We support scopes with documented technical data and a clear QA process — typically including pre/post CCTV evidence and a handover pack for asset records.
What impacts lead times and mobilisation?
Access constraints, curing method, liner specification and shutdown windows all affect mobilisation. Where possible, we coordinate to minimise downtime.
Ready to assess a large diameter asset?
Send through the location and basic dimensions — we’ll advise suitability and next steps.
"In an industry where trust it everything,
Maida is at the top
of their game"
- Andrew Taylor | Head Civil Engineer | Sydney
Made in Australia | To suit Australian Requirements
Custom Made Solutions
Being Australian made allows us to tweak liners and resins to suit the needs of our clients.
For When Schedules Matter
We can have custom made liners manufactured in days, ready for installation right away.
Highly Skilled Labour
Highly trained and skilled staff with all necessary license and safety tickets to ensure compliance.
Backed By Warranty
The only liner on the market which comes with a manufacturers warranty & underwritten by insurance.
