CHI 7500 Fire Door

CHI 7500 Fire Door

U.L. labeled fire shutter roll up door is engineered for installation to approved sheet rock, steel, and masonry construction. The Series 7500 Guardian™ fire counter shutter roll up door utilizes space-saving design with performance-proven engineering features for maximum eye appeal and fire protection.

  • 45-minute, 90-minute and 3-hour U.L. labels with full compliance to NFPA-80 standards
  • Standard roll up door curtain features 1-1/2” pre-painted, hot-dipped galvanized steel slats
  • Optional stainless steel curtain and guides available in a #4 brushed finish
  • Shop painted guides in a medium black match well with many optional powder-coat finishes
  • Operation: Manual push up operation is standard. Gear reduced awning crank operation is optional.
  • Options and accessories available

Slat profile

counter fire shutter slat

Flat Slat (FS) cover 1-1/2” high by 1/2” deep


22 gauge steel


  • Steel curtain slats and hood hot-dipped galvanized per ASTM A-653 with baked on epoxy primer & polyester finish coat in gray and white.
  • Optional: Stock RAL powder-coat option in 188 colors

Bottom bar

  • Fabricated from hot-dipped galvanized steel
  • Stainless steel angle bolted to the curtain (optional)
  • Face Mount (E or Z) or Jamb Mount
  • Between Jamb Mount


Box shaped guides fabricated from 11 gauge steel or #4 polished stainless steel with integral bell mouths and curtain stops.


  • Fabricated from minimum 1/4” steel plate.
  • Drive side of barrel to be provided with precision sealed ball bearing in cast iron housing
  • Manual Push-up
  • Reduced Drive Awning Crank available for all sizes.


Spring (tension) end of barrel assembly fabricated with self-aligning ball bearing assembly to support barrel assembly

  • 165-degree fusible links provided as standard detection/release devices (standard)
  • Fail-safe time delayed releases, smoke detectors and audible and visual warning systems (optional)
  • Drop speed is controlled by viscous governor
  • Closing speed to be between 6” to 24” per second per NFPA 80


24gauge hood
Fabricated from minimum 24-gauge galvanized steel sheet shaped to fit within the headplates.

Intermediate hood support(s) furnished as required.


Manual push-up doors furnished with interior slide bolt locks with padlock provision standard.