Spunstrand Fiberglass Reinforced Products  
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Spunstrand® Inc. manufactures fiberglass reinforced pipe (green duct) in the Pacific Northwest that maximizes clean air flow, eliminates rust, mold growth and provides a more comfortable environment for building occupants.
As a member of the US Green Building Council, we have demonstrated how direct-bury, underslab duct, eliminates concrete encasement, as well as extra soffit framing, sheet rock, and insulation because of improved heating efficiency. Building Architects and Engineers are promoting many more exciting, open, high ceiling, energy saving designs by specifying green Spunstrand duct that works.
With our engineering services and a fiberglass reinforced duct system that meets all aspects of the Uniform and International Mechanical Codes, carrying an ICC approval to assure top quality manufacturing for long lasting duct, we help you achieve your LEED rating.
Check out our proven success with demanding, national installing contractors, design engineers and owners with durable, water-tight, commercial and green-friendly fiberglass reinforced ductů customized for you.
Our Services
Over 50 years, Spunstrand® Inc. has furnished miles of underslab HVAC duct systems, above ground industrial and municipal duct systems and various special applications.
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