Plenum Curb

Plenum curb will convert a dedicated down discharge roof top unit into a plenum curb.

Pre-Fabricated Plenum roof curbs are available in the following:

  • Insulated
  • Non-insulated
  • Vibration isolated
  • TEMS curbs


Supply and/or Return plenums with field cut openings in roof curb floor.


Available Options

  • Height addition to standard
  • Heavier gauge of metal
  • Aluminum construction and stainless steel
  • Galvanized steel or aluminum liners on insulated roof curbs
  • Factory installed burglar bars
  • Construction to fit single or double roof pitches
  • Chemically treated wood nailers.