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1306 Mill Street
Rock Island, IL 61201
United States

UnderDuct is a sustainable alternative to metal duct and is an excellent choice for green building and design. UnderDuct is resistant to mold, corrosion, leakage and moisture damage. Smooth interior walls provide improved air flow for maximum efficiency and energy savings.  UnderDuct buried duct systems allow for more open design concepts and is the material of choice for Displacement Ventilation projects.


UnderDuct is available in both single wall and factory insulated double wall with insulation values from R-6 to R-14.  UnderDuct is ICC-ES approved and listed giving you the confidence that it has been thoroughly tested and has met all applicable standards.

Booth Past Locations: 

Monoxivent's Single Wall & Double Wall UnderDuct Solutions

Catalogs & Specs

Fiberglass Duct › Corrosion Composites

Fiberglass Duct › Corrosion Composites

Fiberglass Duct › Hybrid Lab Duct

Fiberglass Duct › Hybrid Lab Duct

Fiberglass Duct › Industrial Composites

Industrial Composites

Fiberglass Duct › Vehicle Exhaust Duct

Vehicle Exhaust Duct

Fiberglass Duct › UnderDuct Solutions

Fiberglass Duct