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  • FRP Solutions by Monoxivent

    About FRP Solutions by Monoxivent

    Located in Rock Island, Illinois, FRP Solutions by Monoxivent designs, engineers, and manufactures HVAC UnderDuct and specialty Corrosion Composites projects. The UnderDuct and Corrosion Composites brands are leaders within the Fiberglass Reinforced Plastic (FRP) market. Monoxivent has over 40 years of experience solving challenging ventilation problems by applying their extremely rugged, easy to work with, yet affordable FRP solutions to the marketplace.

    UnderDuct is leading the way for code compliant LEED driven underground HVAC systems. UnderDuct is corrosion resistant, high strength, light weight, Class 1 duct material, per HFPA 90. UnderDuct is ideal for displacement ventilation, allowing for the most economical long term energy savings.


    Supply, return, and exhaust systems include, but are not limited to: auditoriums, auto exhaust, banks, botanical centers, churches, transportation centers, hospitals, libraries, parking garages, residences, restaurants, schools, super markets, swimming pools and zoos.

    FRP Duct Configuration

    Round, rectangular and oval are typical filament wound construction shapes. Upon request, shapes such as triangular are others are available. Monoxivent’s design team is available for designing projects requiring non-standard construction. Duct diameters are available from 2-inch through 14-feet, and rectangular sizes as required for your projects. Monoxivent’s 824-API pre-insulated double wall duct is also available in the above ranges.

    Learn More.

    Call us Toll Free at (800) 875-8811 to speak with an industry expert who will help you meet your air movement needs. Click the “Have a Question” button for detailed information on our product offerings and services.

    Air Design Inc. is FRP Solutions by Monoxivent’s direct factory representative for Eastern Michigan including Alcona, Alpena, Arenac, Bay, Cheboygan, Clare, Clinton, Crawford, Gladwin, Genesee, Gratiot, Hillsdale, Huron, Ingham, Iosco, Isabella, Jackson, Lapeer, Lenawee, Livingston, Macomb, Midland, Monroe, Montmorency, Oakland, Ogemaw, Oscoda, Otsego, Presque Isle, Roscommon, Saginaw, Sanilac, Shiawassee, St Clair, Tuscola, Washtenaw, and Wayne County.


    • Single Wall and Double Wall UnderDuct
    • Vehicle Exhaust Duct
    • Corrosion Composites
    • Hybrid Lab Duct
    • Industrial FRP Duct
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