UnderDuct Receives Code Approval from ICC

“UnderDuct is an ICC approved product, properly tested to the applicable standards of LC1014.”


Monoxivent has received confirmation from ICC Evaluation Service, LLC (ICC-ES), that its UnderDuct Fiberglass Reinforced Plastic duct is approved with the provisions of the:

2012 and 2009 International Mechanical Codeᴿ (IMC)
2012 and 2009 International Residential Codeᴿ (IRC)
2012 and 2009 Uniform Mechanical Codeᴿ (UMC)*
2010 and 2007 California Mechanical Codeᴿ (CMC)

*Uniform Mechanical Code is a copyrighted publication of the International Association of plumbing and Mechanical Officials.

This confirmation, as evidenced in ICC-ES listing PMG-1171, provides guidance to code officials faced with approving the use of UnderDuct under these codes.

The listing is available online at www.icc-es-pmg.org.

Monoxivent’s summary is available online at http://www.icc-es-pmg.org/Listing_Directory/pdf/PMG-1171.pdf

UnderDuct Passes UL 181 Mold Growth Testing


July 29, 2014

Subject: Report of Mold/Growth and Humidity Test on underduct composite samples as submitted by Monoxivent/UnderDuct/Corrosion Composites

“This is a report summarizing the results of tests conducted under the Commercial Inspection and Testing Services (CITS) program identified as Assignment No.. 4786337200. Under this investigation, three samples each at  4 in. by 4 in. size were tested in accordance with the  Mold/Growth and Humidity test of  UL181, 11th Edition.”


Corrosion Composites Standards

Corrosion Composites by Monoxivent offers a full line of corrosion resistant fiberglass products.Our  products are designed and fabricated in accordance with industry standards providing the end user with dependable quality solutions, and the right material of choice for a variety of applications. Monoxivent’s manufacturing source provides over 90,000-sq. feet of production space, modern equipment, and over 40 years of experience within the FRP industry.

ASTM and SMACNA standards are the benchmark for fabrication of our FRP products, including:

ASTM (American Society of Testing and Materials):

ASTM D3299, Standard Specification for Filament-Wound Glass-Fiber-Reinforced Thermoset Resin Corrosion-Resistant Tanks

ASTM D3982, Standard Specification for Contact Molded Fiberglass (Glass Fiber Reinforced Thermosetting Resin) Ducts

ASTM D4097, Standard Specification for Contact-Molded Glass-Fiber-Reinforced Thermoset Resin Corrosion-Resistant Tanks

ASTM D6041, Standard Specification for Contact-Molded “Fiberglass” (Glass-Fiber-Reinforced Thermosetting Resin) Corrosion Resistant Pipe and Fittings

ASTM C582, Standard Specification for Contact-Molded Reinforced Thermosetting Plastic (RTP) Laminates for Corrosion-Resistant Equipment

SMACNA (Sheet Metal and Air Conditioning Contractors’ National Association):

SMACNA, Thermoset FRP Duct Construction Manual