Insulated Flexible Duct
FloDuct insulated flexible duct is made of a flexible aluminum inner core covered with a layer of thermal insulation, such as fiberglass or glass wool, and protected by an outer jacket of aluminum foil. The insulation helps maintain air temperature, reduce energy loss, and minimize noise as air moves through the duct. Insulated flexible ducts are commonly used in heating, ventilation, and air conditioning systems to improve efficiency and comfort, especially in spaces where ducts pass through unconditioned areas.
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Insulated Flexible Duct

FloDuct insulated flexible duct is made of a flexible aluminum inner core covered with a layer of thermal insulation, such as fiberglass or glass wool, and protected by an outer jacket of aluminum foil. The insulation helps maintain air temperature, reduce energy loss, and minimize noise as air moves through the duct. Insulated flexible ducts are commonly used in heating, ventilation, and air conditioning systems to improve efficiency and comfort, especially in spaces where ducts pass through unconditioned areas.

Standard Specifications
Inner Core Double-laminated polyester film bonded to a corrosion-resistant steel wire helix for strength and durability
Maximum Positive Pressure 10 in. w.g. (2,500 Pa)
Maximum Negative Pressure 0.5 in. w.g. (125 Pa)
Maximum Velocity 5,000 fpm (25 m/s)
Operating Temperature −22 °F to 302 °F (−30 °C to +150 °C)
Standard Length 25ft and 33ft
(8m and 10m)
Diameter 4" to 20"
(100mm to 500mm)
Fire Performance Standard Performance
Warranty 10 Years
  • It is an acoustically and thermally insulated aluminium flexible air duct specifically produced for low and medium pressure ventilation and air conditioning systems.
  • It is produced from multi-layer aluminium and polyester strengthened with high tension hard steel spring wire, perforated and surrounded with glass wool insulation and an aluminium vapour barrier.
  • Its dimensions, tolerances and mechanical resistance are tested, classified & certified according to EN 13180 standard.
  • Floduct Insulated flexible air ducts are airtight
  • It has high elasticity and flexibility. It can be easily fitted to circular, oval or rectangular connectors.
  1. Suitable for low and medium pressure ventilation and air conditioning systems
  2. Acoustically & thermally insulated
  3. Aluminium inner and outer face
  4. M0 certified according to France national reaction to fire standard
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Installation and Application