Flue Duct Expansion Joints
Industrial-Grade Rubber Flue Duct Systems — Manufactured in the US, Built to Last
At Holz Rubber, we specialize in designing and manufacturing rubber flue duct systems built to handle the most demanding industrial environments — from power plants to chemical facilities, wastewater treatment to air filtration.
Whether you’re replacing aging ductwork, upgrading to odor control flue ducts, or installing a new wet flue duct system, we provide custom-engineered duct solutions tailored to your operation’s unique airflow, temperature, and chemical resistance needs.
Flue Duct Expansion Joints Built in America For Industrial Ductwork Applications
A ducting system can be extensive, and depending on what materials are flowing through, having the right flue duct expansion joint is necessary to prevent leakage, lessen noise and vibrations, maintain operation and safety stands, and reduce the chance of failure. Designed to your specifications and application requirements, Holz manufactures high quality flue duct expansion joints for industrial ductwork systems.
Standard Movement Flue Duct Expansion Joint

- Designed for standard movements typical ducting movements and application
- Perfect for applications requiring maximum noise reduction, sound absorption, and vibration control
- Superior protection to duct systems, flanges, and equipment housings
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Maximum Movement Flue Duct Expansion Joint

- Designed for maximum movement with superior axial and lateral movement capabilities without pre-compression or pre-extension
- Compound molded corners ensure that the reinforcing material is not pre-stressed at the time of installation
- Workhorse style designed for scrubber, precipitator, baghouse, and stack flue gas ducts
- Ideal for FRP piping
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Ultra-High Movement Flue Duct Expansion Joint

- Designed for ultra-high movement applications
- Perfect for positive pressure clean air systems with ultra-high axial compression and extension
- Constructed with a large, high, “V” – shaped arch allowing for the industry’s highest axial movement while exerting very low forces on the ductwork, duct flanges and equipment
- Flows designed for ducting and fan applications
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By using a Holz flue duct expansion joint, you can…
- Eliminate corner failures
- Increase engineering safety
- Reduce costs by eliminating expensive gaskets
- Lengthen cycle life
- Absorb sound and reduce vibration
- Lessen heavy duct work load
- Improve movability
- Repel wear and tear from harsh chemical and gas
Standard & Custom Rubber Flue Duct Types:
- Rubber Flue Duct
- Flue Duct
- Inlet Flue Duct
- Outlet Flue Duct
- Air Flue Duct
- FRP Flue Duct
- Force Draft Flue Duct
- Stack Flue Duct
- Fly Ash Flue Duct
- Exhaust Flue Duct
- Boiler Flue Duct
- Kiln Flue Duct
- Filter Flue Duct
- Fan Flue Duct
- Turbine Flue Duct
- SCR Flue Duct
Ideal Applications:
- Scrubber
- Precipitator
- Baghouse
- Stack hot air or flue gas ducts
- Steam boiler systems
- Gas turbine exhausts
- Industrial furnace & chimney construction
- Refuse incinerators
- Ventilation and aeration systems
- Emissions control
- Paint and powder coating booths
- Welding booths
- Environmental systems
- HVAC and air handling systems
- Furnace / Boiler exhaust
- Fan connectors
- Flex element for FRP piping
- FGD systems
Connectors, Joints & Custom Components:
- Duct Joint
- Flex Connector
- Fan Connector
- Silencer Flue Duct
- Elastomeric Flue Duct
- Sofa Duct
- ¼” Flue Duct
- 1/8 Flue Duct
Odor & Emission Control Systems:
- Odor Control Flue Duct
- Bio Filter Flue Duct
- Bio System Flue Duct
- Absorber Flue Duct
- Chemical Process Flue Duct
- High Temp Flue Duct
- Waste Water Treatment Plant Flue Duct
- Headworks Flue Duct
- Paint Booth Flue Duct
- Wet Flue Duct
Common Applications:
Our flue duct systems are commonly used in:
- Power Generation Plants
- Refineries & Petrochemical Plants
- Wastewater Treatment Facilities
- Air Pollution Control Systems
- Paint Booths & Coating Operations
- Kilns, Boilers & Turbines
- Biofiltration & Odor Control
Why Choose Holz Rubber for Your Flue Duct Needs?
Custom Fabrication – Built to your spec, with the right size, thickness & materials Chemical & Heat Resistant – Withstand aggressive environments up to high temps Fast Turnaround – Short lead times, even on custom jobs Field-Tested Durability – Trusted in industrial plants nationwide Complete Systems or Components – From full duct runs to elbows and connectors
We can help meet your flue duct expansion joint needs. Holz manufactures the widest variety of flue duct expansion joints available in the market.
Engineered for Performance. Trusted Worldwide.
We don’t just manufacture rubber flue ducts — we engineer high-efficiency airflow systems that stand the test of time. From odor control in municipal treatment facilities to chemical ducting for refineries, our products are made to protect your operation, your workers, and your bottom line.
Related Application Data Sheets
Looking for something specific? You may also know our systems by terms like:
Rubber Flue Duct • Odor Control Flue Duct • Flue Gas Duct • Custom Flue Duct • Fan Connector • Flex Connector • Inlet Flue Duct • Engineered Flue Duct • Silencer Flue Duct • Absorber Duct • Bio System Duct • Wet Flue Duct • High Temp Flue Duct • Chemical Process Flue Duct • Built in America • Manufactured in the US • and more.
