Oval Ductwork Manufacturer / Supplier
Reduce clearance issues, optimise airflow, and save space with custom-fabricated oval ductwork by Kavanagh Industries.
- 50+ Years Australian Experience
- AS 4254.2 Certified
- Guaranteed On-Time Delivery
- Fully Insured
Let Us Help You Make the Most of Limited Space
Oval ductwork offers the airflow efficiency of round ducting with the low-profile benefits of rectangular systems. It’s the ideal solution when ceiling or wall clearance is limited, but high airflow and airtight performance are still critical.
At Kavanagh Industries, we provide precision oval ductwork that balances form and function, supporting seamless installations and long-term reliability across NSW and Queensland.
What Our Clients Say
Kavanagh Industries has been a valued supplier and partner to our business for many years, consistently delivering high-quality ductwork and prefabricated products. Their commitment to service, reliability and innovation sets them apart in the industry and has contributed to the successful delivery of numerous projects. Their focus on technology, advanced manufacturing and continuous improvement demonstrates a forward-thinking approach that benefits both customers and the broader mechanical services sector. We are pleased to recommend Kavanagh Industries as a trusted, professional and highly capable industry partner.
Kavanagh Industries has been a trusted partner to Crest Air Conditioning for over 30 years, consistently delivering high-quality ductwork and prefabricated solutions. Their commitment to innovation, quality and service, combined with ongoing investment in technology and manufacturing, makes them a leader in the mechanical services industry. Crest is proud to recommend Kavanagh Industries as a reliable, innovative and highly capable partner.
We work with Kavanagh Industries with complete confidence, knowing we can rely on their high-quality products, expert technical advice, and outstanding value for money. Whenever a challenge arises, their team consistently delivers practical and effective solutions.
Their professionalism, knowledge, and dedication set them apart in the industry, and their team is always a pleasure to work with.
The compact profile is ideal for constrained ceiling spaces, corridors, and risers.
Offers similar airflow efficiency to round ductwork, with lower pressure drops than rectangular.
The curved edges help reduce turbulence and vibration for quieter operation.
Fewer corners and sealed seams result in lower leakage and improved energy efficiency.
The sleek design makes it suitable for visible ceiling installations in modern commercial interiors.
Less bulky than rectangular systems, oval ducts simplify transport and installation on site.
Built for Performance, Backed by Experience
At Kavanagh Industries, we support your team from early design, getting the right sizes, through to delivery. Our goal is to reduce site delays, improve installation outcomes, and ensure your ductwork fits and performs as specified.
Our oval ductwork is fabricated to suit a wide range of mechanical and ventilation systems:
- HVAC supply and return air
- Carpark and kitchen exhaust
- Stair pressurisation
- Make-up air systems
- Toilet exhaust
- Clean room ventilation
- Garbage and smoke exhaust
- Tight-ceiling commercial establishments
Materials:
- Galvanised Steel (standard)
- Stainless Steel (available on request)
- Aluminium (available for specific use cases)
Wall Thicknesses:
Customised to meet your airflow, pressure, and structural needs
Pressure Classes:
- Standard: 500 PA
- High-pressure: Up to 2500 PA on request
Our oval spiral tubing ductwork is built using reliable joining methods to ensure strength, stability, and airtightness:
- Fully welded oval duct sections
- Pittsburgh and Snaplock seams
- TDF connectors for straight and curved sections
All ductwork is fabricated in-house with precision equipment:
- Oval spiral forming machines
- Laser and router cutting
- Coil lines and roll formers
- Custom tooling for accurate oval shaping
- 3D modelling and BOMs
- Constructability input
- Estimating and tender support
- Prototype and short-run capability for urgent work
We’re set up for high-volume orders and complex projects:
- GPS-tracked in-house logistics fleet
- 100+ certified lifting cages
- Fast-tracked production for urgent jobs
- Colour-coded, labelled duct with matched drawings for efficient install
- Ducts are sealed and tested for low leakage
- Multiple QC checkpoints
- Certified welders and trained fabricators
- Custom-built to meet Australian project standards
Why Partner with Kavanagh Industries?
- Decades of Expertise: Serving the HVAC and construction industry since 1969
- Custom Solutions: Fabricated to match your project’s exact needs
- End-to-End Support: From modelling to delivery, we’re your ductwork partner
- On-Time Every Time: Reliable logistics and fast production turnaround
- Built Locally: Using Australian Bluescope steel and manufactured to national standards
