C.H.I. provides a wide range of solutions to help you improve productivity and efficiency. In addition to providing reliable, durable coiling doors, C.H.I. is also committed to the safety of your employees.
![chi_servicedoor.png chi_servicedoor.png](https://0201.nccdn.net/4_2/000/000/04b/787/chi_servicedoor-301x170.png)
C.H.I. rolling service doors are computer-engineered with time-proven principles and designs. The result is a well-tuned, high-performance coiling door.
COUNTER DOORS
![chi_counterdoors.png chi_counterdoors.png](https://0201.nccdn.net/1_2/000/000/0fb/4b4/chi_counterdoors-305x168.png)
Security and beauty blended with smooth, quiet and effortless operation, the C.H.I. Series 6500 counter shutter is a wonderfully refined, architecturally pleasing enclosure.
FIRE DOORS
![chi_firedoors.png chi_firedoors.png](https://0201.nccdn.net/1_2/000/000/13e/d7c/chi_firedoors-303x170.png)
Selected most often for practical drop test compliance and assuring positive crisis response, Guardian™ Fire Doors deliver reliable, predictable, and repeatable results.
![chi_fireshutter.png chi_fireshutter.png](https://0201.nccdn.net/1_2/000/000/124/c55/chi_fireshutter-305x166.png)
FIRE SHUTTERS
Fire protection manufactured to the highest standards, C.H.I. fire shutters feature attractive, space-saving designs and user-friendly operation.
![chi_grilles.png chi_grilles.png](https://0201.nccdn.net/1_2/000/000/09b/bea/chi_grilles-297x160.png)
Side-folding grilles and closures and coiling grilles offer the most resourceful way to secure an opening while allowing for visual access and air flow exchange in most any application.