18x24 - B-IW Insulated Fire Rated Access Panel with Drywall Bead
Fire Rated access doors approved for use in walls and ceilings. Wall Rating: U.L. 1-1/2 hour "B" label with a maximum temperature rise of 250F degrees after 30 minutes. Ceiling Rating: Warnock Hersey 3 hour noncombustible ceiling/floor systems.
Rough Opening: 8-1/4" x 8-1/4"
Frame: 16 gauge cold rolled steel
Door: 20 gauge cold rolled steel
Flange Types: B-IT & B-IT-SFB: 1" wide
B-IW: Drywall Bead
B-IP: Plaster Bead
Hinge: Flush continuous piano hinge
Latch: Flush key/knurled knob latch
Insulation: 2" thick fire rated mineral fiber
Finish: Prime Powder Coat