Pre-Assembled / Prefab Ductwork Supplier / Manufacturer
Save time, reduce labour, and streamline construction installs with pre-assembled ductwork by Kavanagh Industries.
- 50+ Years Australian Experience
- AS 4254.2 Certified
- Guaranteed On-Time Delivery
- Fully Insured
Let Us Help You Simplify Complex Installs
On busy builds, delays and labour blowouts often trace back to ductwork. Pre-assembled duct systems make on-site tasks less complex, cutting down on installation time, labour, and coordination.
Kavanagh Industries manufactures custom prefab ductwork tailored to your exact specifications, so you can experience the benefits of faster and more efficient installation across projects of all sizes.
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.
Pre-assembled duct sections means reduced costs on site with less cutting, fitting, assembling, sealing, and manual handling allowing for a safer, faster delivery.
With most of the work done in our facility, fewer installers and skilled hours are needed on-site, helping you stay on budget.
Off-site assembly prevents many common issues (misalignments, incorrect cuts, rushed joins), helping ensure each section arrives ready to install with minimal adjustment.
Tightly sealed joints and precise fabrication reduce the chance of air leakage and dust ingress, supporting healthier indoor environments.
Every section is manufactured in a controlled environment to ensure repeatable accuracy, a professional finish, and optional insulation to enhance thermal performance.
Off-site production and assembly reduce material offcuts, repurpose scrap, and improve sustainability outcomes.
Less on-site fabrication means lower dust, fewer tools, and less disruption on already busy sites.
We pre-assemble ducting for air conditioning, ventilation, and mechanical air systems across a range of commercial and industrial environments:
- Commercial HVAC Systems
- Supply & Return Air
- Exhaust & Ventilation Ducts
- Carparks & Kitchens
- Stairwell Pressurisation
- Toilet & Garbage Exhaust
- Clean Rooms & Data Centres
- Mechanical Rooms
Built with high-performance sheet metal and durable materials, with custom sizing and pressure ratings to suit any system:
Materials:
- Galvanised Steel
- Stainless Steel
- Aluminium
- Ductboard (as needed)
Pressure Classes:
- Standard: 500 PA
- Custom: Up to 2500 PA
Thickness Options:
- 0.6 mm – 1.6 mm, depending on project needs (airflow, pressure, surrounding equipment)
Engineered using proven seams, connections, accessories, and modular assembly options:
- Pittsburgh and Snaplock seams
- TDF connectors
- Fully sealed joints
- Pre-installed dampers, brackets, or fittings on request
Fabrication methods designed for repeatability, airtightness, and industry-leading durability:
- CNC laser and insulation cutting
- Roll forming and pressing
- Robotic, MIG, TIG welding
- In-house QA and labelling systems
- Fully sealed, colour-coded sections for easier installation
We assist with design and modelling to streamline planning and fabrication:
- 3D Modelling & BOM Generation
- Constructability Advice
- Tender Assistance
- Value-Engineering Input
- Fast-Track Fabrication Available
Project Delivery & Logistics
Reliable transport, clear labelling, and site-ready packaging ensure smooth delivery and faster installation:
- In-House GPS-Traced Delivery Fleet
- 100+ Certified Lifting Cages
- Pre-labelled and bundled for zone/stage install
- 24-hour turnaround available for select orders
- End-to-end project support
Every component is purpose-built and rigorously checked to ensure flawless operations:
- Compliant with AS 4254.2
- Multiple quality assurance checkpoints during fabrication
- Fully sealed ductwork for maximum airtightness
- Manufactured to project-specific requirements, 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 ductwork
