The FB-5060 has a design that maintains continuity in a 2-hour fire barrier wall and is a must-use anytime where access in fire-rated walls when temperature increase is not a concern. It gained the approval of Underwriters Laboratories (UL) for 1 1/2 hours "B" label in walls and ULC for 2 hours "B" label in walls.
Other features you can find include:
Material: 16 gauge steel.
Lock/Latch: 2 x Universal self-latching bolt, operated by either a knurled knob or flush key. When master keying is a requirement, you can prepare doors for rim or mortise cylinder locks.
Flange: 1 flange.
Contact Acudor now at 1-888-622-8367 to purchase them for your construction projects! We also offer different sizes to ensure they fit perfectly on any roof opening.