Architect's Corner for 631
FireKing® Fire Door Model 631 is a smaller non-insulated fire door with a slat material made of painted galvanized steel that's offered with either curved or flat slats.
Key Features:
- Max Width: 14' (4267 mm)
- Max Height: 12' (3658 mm)
- UL/FM ratings: 4 hour
- Drop Speed: 6 " to 24" per second (Meets NFPA 80 Requirements)
- Wind load-rated for FBC, Miami-Dade and TDI