Type FMD R4,2

Air Duct consisting of a layer of aluminized polyester film and one layer of polyester film encapsulating a galvanized steel wire helix, a fiberglass insulation blanket rated at R4,2 and an aluminized vapor barrier reinforced with tri-directional fiberglass scrim.

PDF Spec sheet Greenguard Certificate Greenguard Certificate Gold

  • Diameter : 4 to 18 inches
    Length : 25 feet
    R-value: R4,2

    Meets the c-UL-us S-110 Air duct class 1 standard
    Complies with NFPA standard 90A and 90B

  • Certified GREENGUARD GOLD and GREENGUARD