Fire Rated Ceiling Access Door

Access door frame shall be fabricated from 16 gauge galvannealed steel with a prime coat finish and provided with masonry anchors and bolt holes. Access door panel shall be fabricated from 20 gauge, galvannealed steel with a prime coat finish. The door shall be filled with 2" (50.8 mm) thick, fire-rated insulation, and be welded pan type. The access door shall have a spring automatic closer, be self-latching, and contain interior latch release. The exterior latching shall be recessed and feature a universal self-latching bolt, operated by either a knurled knob or flush key. Finish shall be a prime coat suitable for painting. Underwriters Laboratories' classification shall be a classified access frame and fire door assembly 1.5 hours, B-Label. It meets ANSI-UL 10B standard, and by Warnock-Hersey for 3 hours in ceilings.