Insulated Flexible Air Duct

6 R-Value

Price Range: $10.70 - $189.90 USD

Five-foot lengths up to 16″ diameter and within California take up to 2 days to get delivered.
If you are in any other state it takes less than a week.
Orders above 40 linear feet take a week to get shipped.

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The inner Insulated Flexible Air Duct construction consists of 3-ply aluminum and 2-ply polyester, with a nominal thickness of 70 microns. The jacket construction includes one-ply aluminum and two-ply polyester, with a nominal thickness of 45 microns. The insulation is made of glass wool with thickness options of 25 mm and 50 mm, both having a 16 kg/m³ density. The diameter range of the duct is between 52 mm and 800 mm. For diameters equal to or greater than 127 mm, the wire spacing is set at 35 mm. The operating temperature of these ducts ranges from -30°C to +150°C, while the maximum air velocity allowed is 30 m/s. The duct can withstand a maximum operating pressure of +3000 Pa. Its standard length is 10 meters, packed in a specially designed cardboard box. In terms of fire safety, the duct is difficult to ignite.

General Features of Insulated Flexible Air Duct

  • Formaldehyde free, super soft technology glass wool
  • Insulated flexible air ducts are Produced from multi-layer aluminum and polyester, reinforced with high tension steel wire
  • Highly resistant to corrosion and rust
  • Tear and puncture resistant reinforced jacket
  • Resist to mold and spore growth

Insulated flexible air ducts offers several benefits. Firstly, insulation helps to prevent energy loss by maintaining the temperature of the air as it moves through the ducts, reducing the need for excessive heating or cooling. This leads to energy savings and lower utility bills. Additionally, insulation improves indoor comfort by preventing condensation and reducing noise from the airflow. It also enhances the overall efficiency of the HVAC system by ensuring that the conditioned air reaches its destination without significant temperature fluctuations. Lastly, these ducts can contribute to better indoor quality of the air by preventing the growth of mold and reducing the circulation of dust and allergens from the ductwork into living spaces.

Performance Data of Insulated Flexible Air Duct

Certified R-Value : 6 (measured by ASTM C518 test)
Temperature Range of Insulated Flexible Air Duct : -20°F to 180°F constant / 250°F intermittent
Ultimate Velocity: 4000 FPM
Maximum Flame Spread : 25
Maximum Smoke Developed : 50


Guaranteed out of package lengths
10 Year limited warranty


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