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
- Flanged 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
- Sleeve Flue Duct
- Rubber Flue Duct
- Molded Flue Duct
- Flexible Flue Duct
- Offset Flue Duct
- Round Flue Duct
- Rectangular Flue Duct
- Fabric-Reinforced Flue Duct
- Fiberglass Reinforced Flue Duct
- Multiple Arch Flue Duct
- Inlet Flue Duct
- Outlet Flue Duct
- Air Flue Duct
- Air Handling Flue Duct
- Air Heater Flue Duct
- Dry Air Flue Duct
- Hot Air Flue Duct
- Wet Flue Duct
- Water Flue Duct
- Dry Side Flue Duct
- Air Pollution Flue Duct
- Electrostatic Precipitator Flue Duct
- Viton Flue Duct
- EPDM Flue Duct
- PTFE Lined Flue Ducts
- Abrasion Resistant Flue Duct
- ID Fan Flue Duct
- FD Fan Flue Duct
- Fan Flue Duct
- Bag House Flue Duct
- Odor Control Flue Duct
- Data Center Flue Duct
- Data Center Exhaust Flue Duct
- Micro Chip Flue Duct
- Micro Chip Exhaust Flue Duct
- Boiler Flue Duct
- Kiln Flue Duct
- Biomass Flue Duct
- Fly Ash Flue Duct
- Exhaust Flue Duct
- Stack Flue Duct
- SCR Flue Duct
- Holz 942 Flue Duct
- Holz 945 Flue Duct
- Holz 952 Flue Duct
Ideal Applications:
- Scrubber
- Precipitator
- Baghouse
- Electrostatic Precipitator Systems
- Baghouse Systems
- Air Pollution Control Systems
- Stack hot air or flue gas ducts
- Steam boiler systems
- Air Heater Systems
- Condensers
- Gas turbine exhausts
- Industrial furnace & chimney construction
- Refuse incinerators
- Ventilation and aeration systems
- HVAC and Air Handling Systems
- Dry Side & Wet Side Duct Systems
- Industrial Furnace & Chimney Construction
- Refuse Incinerators
- Biomass Processing Facilities
- 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
- Data Centers & Microchip Manufacturing Facilities
- Odor Control & Biofiltration Systems
- Paint and Powder Coating Booths
Connectors, Joints & Custom Components:
- Duct Joint
- Flex Connector
- Flexible Connector
- Fan Connector
- Silencer Flue Duct
- Condenser Expansion Joint
- Elastomeric Flue Duct
- Silencer Flue Duct
- Sofa Duct
- ¼” Flue Duct
- 1/8 Flue Duct
- Flue Duct Metal Frame
- Flue Duct Flow Liner
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 • Molded Flue Duct • Flexible Flue Duct • Offset Flue Duct • Round Flue Duct • Rectangular Flue Duct • Fabric-Reinforced Flue Duct • Fiberglass Reinforced Flue Duct • Multiple Arch Flue Duct • Sleeve Flue Duct • Flanged Flue Duct • Viton Flue Duct • EPDM Flue Duct • PTFE Lined Flue Duct • Abrasion Resistant Flue Duct • Air Handling Flue Duct • Air Heater Flue Duct • Dry Air Flue Duct • Hot Air Flue Duct • Wet Flue Duct • Water Flue Duct • Boiler Flue Duct • Kiln Flue Duct • Biomass Flue Duct • Fly Ash Flue Duct • Stack Flue Duct • SCR Flue Duct • ID Fan Flue Duct • FD Fan Flue Duct • Fan Connector • Flexible Connector • Condenser Expansion Joint • Data Center Flue Duct • Data Center Exhaust Flue Duct • Micro Chip Flue Duct • Micro Chip Exhaust Flue Duct • Electrostatic Precipitator Flue Duct • Bag House Flue Duct • Air Pollution Flue Duct • Odor Control Flue Duct • Flue Duct Metal Frame • Flue Duct Flow Liner • Holz 942 Flue Duct • Holz 945 Flue Duct • Holz 952 Flue Duct • Built in America • Manufactured in the US • and more.
