Flexible Duct

Duct Core

Polyaire Metallized Core fire rated flexible duct is manufactured from metallized Mylar and clear Mylar substrates, incorporating totally encapsulated helically wound spring wire. Bonded with a fire retardant and slip resistant dry deposit adhesive, this duct construction ensures a long life span in all ambient conditions.

Duct Core

Item #Diameter (mm/inch)Length (m)
160074Ø100 / Ø46
160075Ø150 / Ø66
160076Ø200 / Ø86
160077Ø250 / Ø106
160078Ø300 / Ø126
160079Ø350 / Ø146
160080Ø400 / Ø166
160081Ø450 / Ø186
160082Ø500 / Ø206

Polyaire Metallized Core fire rated flexible duct is lightweight and easy to handle and will maintain its full diameter on bends. This duct is designed for domestic and commercial exhaust systems, ventilation systems and where heat gains or losses are not high, making it suitable for evaporative cooling systems.


  • Metallized Outer Surface
  • Fire Rated 4254
  • Operating Temperature: -20°C to +80°C
  • Operation Pressure: -190pa to +1200pa
  • General Use: Exhaust and ventilation systems

Duct Core - 4 Zero

Item #Diameter (mm/inch)Length (m)
160401Ø100 / Ø46
160402Ø150 / Ø66
160403Ø200 / Ø86
160404Ø250 / Ø106
160405Ø300 / Ø126
160406Ø350 / Ø146

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