Rockwood 18BFB Bottom Fire Bolt for Fire Rated Metal Doors
Features:
Eliminates the bottom automatic flush bolt and dust proof strike.
When door is subjected to 230˚F the plug and gray plastic cover will melt allowing the bolt to project, locking the leaves together.
UL Listed only when used with automatic top bolt.
UL Listed up to and including 3 hour opening (A Label) in conjunction with the 2840 or 2805 top Bolt for metal doors up to 4ft x 8ft
The BFB will project during a fire. Do not cover door edge with any edge mounted door hardware (astragals)
Material & Finish: Stainless Steel - US32D
Bolt: 13⁄16" x 1-9⁄16"
Plug: 1-7⁄32" dia.
| Brand | Rockwood |
| Bolt Type | Fire Bolt (Thermal Pin) |
| Door Type | Metal Door |