Insulated Service Fire Door

Insulated Doors

Model Number: FDI-P, FDI-2S, FDI-2A, FDI-3S, FDI-3A, FDOI-S, FDOI-A, FDOI-B

The Cookson Insulated Fire Door is used when an opening in a fire wall requires a door that will reduce energy costs as well as serve as a normal fire door. Cookson insulated fire doors have a 4 hour, 3 hour, 1 ½ hour and ¾ hour rating and can be mounted on concrete, masonry, structural steel and structural steel and gypsum board walls.


Need to see clearances and mounting details? Enter your opening dimensions into our Drawing Generator, and get custom generated drawings of your door with all the details.
Codes & Listings
  • ISO 9001:2008
  • Buy America Compliance
  • LEED® Compliance
See Codes and Listings page for detailed information.
LEED Information
LEED Information