Model # 0563-1000-0001

Internet #203767553

Thermaflex KM 10 in. x 25 ft. HVAC Ducting- R8.0


KM 10 in. x 25 ft. HVAC Ducting- R8.0

$5936 /box

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Product Overview

Strong polyester film laminated and encapsulating a heavy, corrosion resistant steel wire helix, forms the inner core. And supports a thick blanket of fiberglass insulation. The outer vapor barrier is a new bi-directional reinforced metalized vapor barrier which will not unravel.

  • Reduced total installation cost - fast, economical installation
  • Meets UL 181 and NFPA 90A-90B fire codes
  • Superior insulation and thermal performance
  • Easily shaped to fit over all inlets and quickly connects to fast fittings
  • Unique construction will not unravel when cut
  • Smooth air tight inner core of polyester is designed for low to medium pressure systems

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Customer Reviews

KM 10 in. x 25 ft. HVAC Ducting- R8.0 is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Flex Duct first timer I used to add supply and return to attic bedroom. Easy to use, cut and install. Outer jacket was tough enough that I didn't worry about assembly outside the knee wall and dragging through the access door. After reading all about the draw backs of flex duct I did use ridge wall connectors at ends and any turns. Final result air flow is excellent to attic. Showing 8 inch in the photo - but same construction.
Date published: 2014-09-30
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