8" Insulated Flex Duct UL 181 Listed R-6
Insulation Value
10 Year warranty
Using high quality insulated flexible ducting is a very important part of your
exhaust/ventilation system. Our research shows that the ducting here meets
very stringent compliances with most all government agencies and building code
requirements. The ducting is manufactured in the United States. The
insulation used on the flexible duct has been awarded Greenguard Certification™,
by the Greenguard Environmental Institute™. The certification demonstrates that
the product contributes minimal emissions to indoor environments. To date, it
is the only insulation of its kind to receive GREENGUARD Certification.
This insulated flex ducting comes in 25' lengths and is boxed.
UL & NFPA 90A & 90B approved. Use the best possible insulated flex ducting
around.
Specifications:
Core:
- Two tough plies of black polyester film
encapsulate a steel wire helix.
- Rated pressures per UL-181: 10 in W.C.
positive, 1/2 in W.C. negative
Recommended maximum operating pressures:
- 6 in. W.C. positive for 12 in. diameter and
under.
- 4 in. W.C. positive for 14 in. diameter and
over.
- Rated maximum air velocity 4000 FPM
Thermal Characteristics:
- R-6.0 certified by Underwriters Laboratories
Inc. and the Air Diffusion Council accordance with ADC Flexible Duct
Performance and Installation Standards using ASTM C-518 at installed wall
thickness on flat insulation nly.
Vapor Barrier:
- This metalized vapor barrier is constructed
using fiberglass scrim which provides an outstanding combination of strength
and tear resistance.
- Perm rating of 0.04 perms when measured per
ASTM E96, Method A.
Surface Burning Characteristics:
- Flame Spread: Less than 25
- Smoke Developed: Less than 50
Operating Temperature Range:
- -20 Degrees Fahrenheit to 140 degrees
Continuous
- -20 Degrees Fahrenheit to 250 degrees
Intermittent
Approvals:
- UL-181
- NFPA 90A & 90B
- HUD
- City of Los Angeles
- California Bureau of Home Furnishings
- Most Federal, State, and Local Codes &
Standards.
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