Isolation Curbs / Rails

Cambridgeport’s vibration isolation curbs and rails reduce transmitted noise and vibration from compressors and fans.


ASI (Adjustable spring isolation curb)

Features

  • Easy installation
  • Adjustable springs
  • Standard seismic rated
  • Can be wind/hurricane rated
  • Fully welded
  • Heavy gauge galvanized steel
  • Laterally stable
  • Full perimeter weather tight seal
  • Wood nailer
  • Removable spring pocket cover

1″, 2″ or 3″ spring deflection

Spring pocket

Cambridgeport’s adjustable spring isolation curb flashes into the roof like a regular roof curb eliminating the need for welded stub-ups and saves hours of time on the roof. Enjoy a sturdy galvanized steel lower body and heavy gauge galvanized steel top rail. You will not find any frustrating chicken wire on our high quality roof curbs.

  • No stub-ups
  • No chicken wire
  • Easily flashed in
  • High quality steel

FSI (Fixed spring isolation curb) ( available as rail only )

Features

  • Standard seismic rated
  • Supports up to 15,000 lds
  • Can ship unassembled
  • Heavy gauge galvanized steel lower body
  • Extruded aluminum top rail
  • Laterally stable
  • Full perimeter weather tight seal
  • Wood nailer
  • 1″ or 2″ spring deflection
  • Can be wind/hurricane rated

Custom options available for both isolation curbs