Fire Doors are unique in their manufacturing, their installation and their inspection. Choosing a company that is trained in the proper installation and inspection process is critical to helping to you provide the safety and security you expect. Fire doors fall categories include:
- horizontal sliding
- sliding special purpose
- vertically sliding
- rolling steel
- fire shutters
- service counter
- hoistway doors for elevators and dumbwaiters; chutes; and access.
Fire Doors are critical when seconds count. Every opening requires a combination of door components to offer the best protection. These components, when used in combination will meet the rating (45 min, 90 min, etc):
- fire door
- fire exit hardware
- door closers
- door bolts
- and other door components
How to choose the Right Fire-Rated Door?
Check the local building code and the authority having jurisdiction to determine the rating of the fire door you need.Fire Label: Will need to be attached. This is the agency approved certified or labeled doors, frames, and anchors for minimum ratings required by code.
Fire Ratings by Hour & by Letter-Designation:
- Class “A” (3-hour)-Openings in firewalls that divide a single building into fire areas.
- Class “B” (1 hour)-Openings in enclosures of vertical shafts and stairwells through buildings and in 2 hour rated partitions providing horizontal fire separations
- Class “C” (3/4 hour) – Openings in walls or partitions between rooms and corridors having a fire resistance rating of 1 hour or less.
- Class “D” (1 1/2 hour) – Openings in exterior walls subject to severe fire exposure from outside the building.
- Class “E” (3/4 hour) – Openings in exterior walls subject to moderate or light fire exposure from the outside of the building.
- No letter designation (1/2 or 1/3 hour) – Openings in walls or partitions between rooms and corridors having a fire resistance rating of 1 hour or less. Note that these doors are not really considered fire doors, but rather used for smoke control only.
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11 Inspection Steps
Swinging fire doors with hardware will be inspected to verify the following:
|1. No open holes or breaks exists in the door or frame.||6. The self-closing device is operated by verifying that the active door will completely close when in the full open position.|
|2. If installed: glazing, vision light and glazing beads are intact and securely fastened.||7. If a coordinator is installed, the inactive leaf closes before the active leaf.|
|3. The door, frame and hardware are secured, aligned, and in working order with no visible signs of damage.||8. Latching hardware operates and secure the door when in closed position|
|4. No parts are missing or broken.||9. Auxiliary items, which may interfere with the operation of the door(s) are not installed on the door or frame.|
|5. Door clearances at the door edges to the frame on the pull side of the door do not exceed clearances.||10. No field modifications to the door assembly have been made which void the label
|11. Gasketing and edge seals, when required, are inspected to verify presence and integrity.|