
Insulated Ductwork | Duct Board Manufacturer / Supplier
Lower energy use, improve temperature control, and reduced break out noise with high-performance insulated ductwork from Kavanagh Industries.
- 50+ Years Australian Experience
- AS 4254.2 Certified
- Guaranteed On-Time Delivery
- Fully Insured

Let Us Help You Build Smarter Behind the Walls
Poorly insulated ductwork can result in significant energy loss, temperature fluctuations, and unwanted noise. Duct board systems offer an efficient solution, integrating insulation and ducting into a single, pre-lined product that’s lightweight, quiet, and energy-smart.
At Kavanagh Industries, we supply and fabricate premium duct board solutions to meet the thermal, acoustic, and space-saving demands of today’s commercial and industrial buildings.
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.
Duct board insulation significantly reduces heat transfer, keeping conditioned air at target temperatures.
Insulated ducts help eliminate surface condensation, protecting ceilings, equipment, and finishes from moisture damage.
Minimising heat gain or loss leads to reduced HVAC loads and ongoing energy savings.
Manufactured to AS 4254.2 standards, our duct board supports compliant systems in sensitive applications.
Lightweight components are easy to handle and fit, reducing labour time and site congestion.
Our insulated duct board suits a wide range of air movement systems, including:
- Commercial HVAC
- Supply & Return Air
- Make-Up Air Systems
- Clean Rooms
- Data Centres
- Hospitals & Healthcare
- Retail & Hospitality
- Education Facilities
We manufacture ducting and fittings to suit your environment and system demands, with durable materials and pressure classes to match:
Materials:
- Insulated rigid board with aluminium foil facing
- Available in various insulation densities and R-values
Wall Thickness:
- Available in multiple thicknesses depending on pressure and insulation requirements
Pressure Classes:
- Standard: 500 PA
- Custom: Up to 2500 PA
Our fabrication techniques ensure thermal integrity and long-term reliability:
- Internal foil-faced sealing
- Reinforced jointing systems
- TDF connectors and mechanical fasteners for hybrid applications
- Fully sealed to reduce air leakage and maintain system efficiency
All duct board is cut and assembled using precision machinery for consistent quality and dimensional accuracy:
- CNC-controlled insulation cutters
- Router and slotting machines
- High-precision folding and bonding systems
- On-site manufacturing for short lead times
We support your design, estimating, and installation process with end-to-end expertise:
- 3D modelling and detailed BOMs
- Project-specific cut plans
- Thermal and acoustic performance guidance
- Constructability input
We’re equipped to meet demanding job timelines and site requirements:
- 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
All insulated ductwork meets the highest industry standards:
- Compliant with AS 4254.2
- Multiple quality assurance checkpoints during fabrication
- Fully sealed for maximum airtightness
- Manufactured to 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 ducting












