Schweigen SteelFlex™

High-Performance Safety Ducting

Revolutionary ducting now comes standard with all Schweigen Silent Rangehoods for unbeatable value, safety and performance.

Schweigen SteelFlex™ is an ultra-strong and flexible high-performance safety ducting made of Shirikon Firemesh® - a tri-layer tear-resistant UV-treated sleeve. Both are developed by Schweigen - the Silent Rangehood specialists, for quiet and efficient high-volume transfers of temperature-sensitive air.

Engineered to enhance the health and safety of your home, Schweigen SteelFlex™ is antimicrobial treated, thermally insulated and acoustically dampened. It is fireproof, pest and crush proof with a treated surface that prevents the build-up of grease and bacteria. 

All Schweigen SteelFlex™ products are independently tested to offer unbeatable strength and safety for the most demanding industrial and commercial HVAC applications.

Guaranteed for life*, Schweigen SteelFlex™ works best and comes free with all Schweigen silent rangehoods powered by the German-made Isodrive® Motor System - for silent yet powerful air extraction where you cook.

Schweigen Steelflex Ducting


  • Lifetime Guarantee: Enjoy peace of mind with limited lifetime warranties on all Schweigen SteelFlex® products.
  • Superior Performance: Rigorously tested and certified for superior performance by an independent test facility.
  • Quieter: Acoustically dampened for extreme low resonance, turbulence and noise.
  • Bacteria Shield: Treated with an advanced antimicrobial coating to resist pollutant build-up and the spread of surface bacteria.
  • Mould Resistant: Inoculated against mould and mildew growth to ensure product integrity and performance in high-humidity operating environments.
  • Temperature Resistant: Tested between -10ºC and 80ºC to perform optimally across a wide range of operating environments.
  • Fireproof: Designed with Shirikon Firemesh® for optimal protection against ignitability, flame propagation, heat and smoke release.
  • Pest Proof: Integrated braided mesh and metal tape reinforcement protects ductwork against even the most desperate and vicious rodents.
  • Crush Proof: Robustly constructed to withstand impact without tear, rip, collapse or separation in excess of industrial tolerances.
  • Tear & Puncture Resistant: Engineered for anti-penetrative strength and flexibility in industrial applications.
  • Safer & Easier to install: Comes right-sized and ready-cut for quicker and safer installs by specialists and DIY enthusiasts alike.


  • Material: Shirikon Firemesh® over a galvanized steel helix.
  • Diameter & Lengths: Ø200mm (2, 4 & 6m) / Ø150mm (2 & 4m) / Ø250mm (4m)
  • Applications: Heating, Ventilation and Air Conditioning (HVAC)


Test Reports

  1. Schweigen SteelFlex™ - Ignitability Test
  2. Schweigen SteelFlex™ - Pressure Test
  3. Schweigen SteelFlex™ - Puncture Test
  4. Schweigen SteelFlex™ - Static Load Test
  5. Schweigen SteelFlex™ - Temperature Test
  6. Schweigen SteelFlex™ - Tension Test