Hoops (IHS) 

Hoops (IHS or Internal Hoop System) utilizes Internal Hoops to help maintain fabric shape and retention consistent with industry practices. Hoops (IHS) improves start-up performance and aesthetics when compared to half round and multiple-point suspension systems.










Features, Advantages, and Benefits

  • Metallic Internal Hoops spaced 5’ apart are attached to interior of textile duct at 4, 8, and 12 o’clock.
  • Metallic Internal Hoops are factory installed allowing simple installation and can be easily removed and re-installed during maintenance.
  • Requires one-row horizontal suspension (Tension Cable or Track) for all diameters.
  • Reduces inflation pop (noise) at start-up.
  • Minimizes fabric sag and droop.
  • Available in diameters from 8” to 60” (2” increments).
  • Available in porous (Sedona-Xm and Verona) and non-porous (TufTex and DuraTex) fabrics in a variety of colors.
  • Several air outlet options including Linear Vents, Orifices, SG Grommets, and Fixed or Adjustable Nozzles.
  • All fittings including Elbows, Tees, Crosses, and Reducers are available.
  • All the benefits of textile ducting including uniform air dispersion, versatile airflow designs, lightweight, reduced installation times, and fabrics that are non-condensating, non-corrosive, and launderable.
  • Up to a 10 year warranty.








Track or Cable
8" - 60" diameter (203mm - 1,524mm)
Fabric attached to 1 Row Track or Cable at 12 o’clock every 12” (305mm)
Minimal fabric sagging and wrinkling
Easy installation with Track or Cable
Longer life expectancy
VAV applications
1-5% Deflation
No inflation noise
Minimal fabric motion at start-up