Prefab Ductwork | Premade Ductwork Manufacturer / Supplier
Save time on site, reduce labour costs, and improve consistency with high-quality prefabricated ductwork from Kavanagh Industries.
- 50+ Years Australian Experience
- AS 4254.2 Certified
- Guaranteed On-Time Delivery
- Fully Insured
Let Us Help You Build Faster, Smarter
Tight schedules and site constraints don’t need to slow your build. Prefab ducting is manufactured off-site to your exact specs, reducing installation time, minimising error, and streamlining workflows.
At Kavanagh Industries, we manufacture and supply prefabricated duct systems and fittings to help builders, contractors, and HVAC professionals across NSW and Queensland deliver quality work faster.
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.
Off-site custom fabrication means quicker on-site assembly and fewer delays across trades.
Off-site prefabrication reduces on site costs while also speeding up the construction process minimising time on site.
Manufactured to precise specifications for seamless integration into your system.
Controlled factory conditions ensure high finish standards and minimal variation.
Less cutting of ducts and fittings eliminates waste, resulting in cleaner spaces and fewer disruptions.
Fewer hours spent working at heights or with machinery reduce site safety risks and incidents.
Our prefab ducting is manufactured to suit a vast range of commercial and industrial exhaust and ventilation systems, including:
- Commercial HVAC Systems
- Supply & Return Air
- Smoke & Garbage Exhaust
- Kitchen & Carpark Exhaust
- Toilet Exhaust
- Make-Up Air Systems
- Clean Rooms
- Fire Safety Systems
- And more
We manufacture to suit your environment and system demands, with durable materials and pressure classes to match:
Materials:
- Galvanised Steel (Galvabond) – standard on most builds
- Stainless Steel – available on request
Wall Thickness:
- Supplied to suit specific pressure, structural, and durability requirements
- Thickness can be customised for low-, medium-, and high-pressure applications
Pressure Classes:
- Standard: 500 PA
- Custom: Up to 2500 PA
We use tried-and-tested joining methods to ensure long-term strength and functionality:
- Lock-seam spiral ducting construction
- Pittsburgh and Snaplock longitudinal seams
- TDF connectors for secure joins
Everything is produced in-house using advanced equipment for consistency and precision:
- Vicon full-length straight duct coil lines
- CNC laser and insulation cutters
- Sheet metal roll formers and folders
- Dedicated prefab ductwork stations
Get everything right before your ductwork hits the site:
- 3D Modelling and BOMs
- Constructability and value-engineering reviews
- Customised fabrication planning
We’re equipped to meet demanding timelines and site expectations:
- In-house logistics fleet with GPS tracking
- 100+ certified lifting cages for safe handling
- 24-hour turnaround for small urgent jobs
- Capacity to run multiple major projects
Every component is purpose-built and rigorously checked to ensure flawless operations:
- Compliant with AS 4254.2
- Multiple quality assurance checkpoints during production
- Fully sealed for maximum airtightness
- Manufactured to meet specifications, not off-the-shelf
Why Partner with Kavanagh Industries?
- Trusted Expertise: Over 50 years delivering commercial and industrial ductwork
- End-to-End Service: From estimating to delivery, we support your project
- Controlled Delivery: Our logistics fleet ensures on-time arrivals
- Site Efficiency Tools: Lifting cages and logistics systems reduce delays
- Australian-Made: Bluescope steel used across all galvanised ducting
