HardLine™ Vertical is fully assembled at factory ready for installation on site.


  • Industry leading friction and leakage factors allow for smaller diameters and less fan power.
  • Available in standard diameters from 16" - 72" (405mm - 1830mm) in Round or Oval.
  • Supplied in standard net lengths suitable for the exact collar spacing for each job including 6.1 metres (20') and 7.2 metres (23.6').
  • Material additives provide a low coefficient of thermal expansion.
  • Lightweight ducting with excellent durability allows for safe, Fast installation with less mechanical assistance than steel and fiberglass ducting.
  • Available in configurations for positive and negative airflow.
  • Bolt on Vertical system allows for HardLine™ to be reused in horizontal applications.