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Thermaduct & Thermaround - Outdoor Duct Application Photos

High efficiency exterior ductwork for rooftop applications. This includes Thermaduct, Thermaround and Thermaround Architectural. All of these systems are designed to meet or exceed energy code requirements with both high insulated values and low air leakage. Our vinyl cladded systems provide a weather resistant option for outdoor applications with minimal seams and covered connections.

Insulated Outdoor Duct
Insulated Phenolic Duct System
Duct Insulation and Cladding for Outdoors
Weather Resistant Ductwork for Outdoors
Outdoor Insulated HVAC Ductwork
Thermaduct Outdoor Duct System
Rooftop Exterior Duct System
Outdoor Phenolic Ductwork
Exterior Cladded Duct Systems
Insulated Spiral Ductwork for Outdoors
Architectural Ductwork for Outdoor Applications
Insulated Ductwork for Architectural Applications

Thermaduct & Thermaround - Exterior Application Videos

InspiralR and Floval - Indoor Insulated Duct Application Photos

Our UL 181 listed indoor products, InspiralR & Floval, take the benefits of Kingspan KoolDuct further with a patented assembly process to reach higher pressures, up to 10" positive and 8" negative. With the natural strength of the round shape, applications can have up to a 75% reduction in weight over traditional double wall ductwork, keeping installation fast with our flanged connections.

Lightweight Insulated Ductwork
Phenolic Flat Oval Insulated Ductwork
Exposed Interior Insulated Ductwork
Exposed Spiral Duct Alternative
Flat Oval KoolDuct Installation Thermaduct Floval
Paintable Exposed Insulated Ductwork
Phenolic Insulated Ductwork

InspiralR & Floval - Interior Application Videos

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As energy codes push the required insulation values higher and higher, the need for better outdoor duct solutions is growing. Thermaduct products are designed to meet the needs of outdoor applications with a high level of energy and installation efficiency.

Find out more about our outdoor solutions.


Low air leakage, IAQ duct solutions increase the energy efficiency and health of your building. Thermaduct is here to help. Our indoor products are lightweight solutions that reduce installation weight by over 70%.

Find out more about our indoor solutions.