Fan Curbs

Curbs for Fans and Ventilators

Fan curbs are used as roof support structures for fans and ventilators. Like our HVAC Curbs, they are available for flat, pitched, and metal or ridged roofs with or without insulation. Fan curbs can be either canted or self flashing.

The following variants and special purpose fan curbs are available:

  • Pitched Fan Curbs
  • Fan Curb Extensions
  • Pitch Corrector
  • Directional Fan Curbs
  • Fan Curbs for Metal Buildings
  • Self-Flashing Fan Curbs
  • Vibration Isolation
  • Job Specific (Custom Fan Curbs)
Rooftop fan curb

Get a Fan Curb Quote


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  • (NOTE: Difference between O.D. & I.D. is 3 1/2")
  • (i.e. 3 on 12 Pitch)

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