Thermaround Outdoor Ductwork System
THERMAROUND™ OUTDOOR DUCT SYSTEM – ROUND SPIRAL HVAC DUCT ALTERNATIVE
Thermaround is our patented system that takes the best parts of our Thermaduct™ system to have a more streamlined and aerodynamic shape for outdoor dynamic loads. As a non-metal alternative to spiral or round rooftop ductwork, Thermaround is a pre-insulated solution that offers your duct, insulation and cladding all in one high efficiency duct product. Strong flanged connections allow this round solution to install fast and easy. Thermaduct's patented process allows for a continuous cladded surface with as few as one solvent welded seam!
With a standard vinyl cladding that offers the same weather resistant protection as rectangular Thermaduct, Thermaround is an excellent lightweight solution for the outdoor elements. This high R-value thermal system offers an R-12 insulated value and extremely low air leakage. Thermaround is also available with multiple cladding options with both our vinyl or architectural metal for a durable solution that will naturally shed water. In the interior, air passes over a smooth aluminum phenolic insulation surface free from loose fibers to give your building better IAQ performance.
Features for Outdoor Applications:
- Patented Product
- High R-values - R12 Insulation Values
- 10" Positive, 8" Negative Pressure Class
- UL 181 Listed InspiralR Interior
- 1000 Micron UV Stable Vinyl Cladding
- High Static Pressure Design
- Lightweight Duct System
- Gored Elbows - No Need for Turning Vanes
- Low Air Leakage Rates - Easily Achieve a SMACNA Class 3 or Better
- Pre-assembled Easy to Install, Fast Connections
Thermaround is an award winning outdoor duct solution highlighted in:
Factory Laminated & Virtually Seamless Vinyl Cladding
With a continuous cladded surface, Thermaround virtually eliminates common areas of water intrusion. Our 1000 micron, UV stable vinyl clad is factory applied to our closed cell insulation with a full lamination process for a permanent bond. This strong barrier keeps outdoor elements out and conditioned air in to ensure high efficiency air distribution.
Duct sections are designed to have as few as one solvent welded seam for an uncompromising protective surface that requires no field installation of cladding.
Outdoor Efficiency - Designed with Architects in Mind
Whether your application is looking for “cool roof” efficiency or just “cool” colors, Thermaround is now available with an optional Kynar finish sheet metal cladding. This opens up more opportunities for architectural application where the look of your ductwork play a key role in building design, while still allowing for the pre-insulated industry-leading durability and thermal quality of Thermaround.
Near Zero Air Leakage
Energy Efficient Air Distribution Perfect for Exterior HVAC Systems
Preinsulated System
Our high performance solution provides superior thermal performance with an R12 insulated value without the need for additional duct insulation
Ease of Installation
With Thermaround's lightweight duct and fast connection system allow you to install more outdoor duct per day
10 Year Limited Warranty
Thermaround is backed by a 10 year limited warranty
Pair Easily with Thermaduct Outdoor Rectangular Ductwork
Thermaduct and Thermaround both provide a factory laminated surface with a minimal areas susceptible to water intrusion. Applications that require both round and rectangular ductwork will find no better exterior ductwork solution than our outdoor products.
Both products install easily and provide near zero air leakage. Our patented Thermaround system requires installing contractors to apply sealant, connect sections together with an offset coupling and use a draw band connection for fast and easy installation. With online training to assist contractors in feeling comfortable with our systems, it's never been easier to use phenolic outdoor ductwork!
Thermaduct and Thermaround truly are Outdoor Duct Solved!
Thermaround Project Case Studies
Below are highlighted applications from our Family of Product Case Studies
Pharmaceutical Facility
Thermaround played a role in helping a Massachusetts pharmaceutical facility meet it's decarbonization goals and increase the efficiency of their building.
Downtown Boston Hotel
Located near the waterfront of Boston Harbor, this facility had a large portion of their HVAC system designed outdoors, exposed to the elements.
Montana Multiphase Hospital
Thermaduct products were the duct solution of choice for both phases of this hospital's R-12 pre-insulated HVAC system upgrades.
See Thermaround In Action
Thermaduct Round Installation Training - Connections | training.thermaduct.com
Thermaround Outdoor Insulated Ductwork - Virtually Seamless System for Exterior Applications
Thermaround Outdoor Ductwork - Virtually Seamless, Insulated Round Outdoor Duct System
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Thermaround Exterior Duct System
Insulated Metal Ductwork Alternative
Outdoor Duct System
Thermaround Outdoor Ductwork
Exterior Pre-Insulated Ductwork
Thermaround Vinyl Cladded Duct
Thermaround Outdoor Ductwork
Thermaround Healthcare Outdoor Seamless Spiral Duct Alternative
Thermaround Hospital Outdoor Round Ductwork Oregon
Thermaround Doublewall Outdoor Spiral Alternative
Thermaduct Round Rectangular Outdoor Ductwork
Thermaround Outdoor Hospital Ductwork
Thermaround Outdoor Pre-Insulated Phenolic Ductwork
Thermaround uses a smooth aluminum Kingspan KoolDuct interior for a high quality, fiber free insulation that is protected by our 1000 Micron vinyl cladding. Because of this, our round outdoor duct system is great for almost any ductwork applications.
Hospitals and Healthcare Environments
Schools and Universities
Hotels and Multifamily Structures
Commercial and Industrial Applications
Pools and Natatoriums
See How Thermaduct Products Install in the Field
While our products will feel very familiar to traditional exterior insulated ductwork, we have a brief online training course to cover the differences that should be observed when installing an outdoor phenolic duct system.
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Thermaduct Outdoor and Indoor Product Information
- Thermaduct Product Introduction
- Thermaduct Project Profiles
- Thermaduct Literature Page
- Interior Lining Options
- Lightweight Ductwork
Find A Representative
We work with a fantastic group of representatives to provide exterior and interior systems all over the country. Find your the local Thermaduct representative in your area here.
