The fire rated uninsulated access door can be used on fire rated walls. Material 16 gauge cold rolled steel Hinge Continuous piano hinge. Hinge location: Hinges must be located on the second dimension (height). Locking Mechanism Self-latching tool-key operated slam latch and ring operated slam latch, both included. Flange 1" exposed flange Frame 2½ " in depth, made of cold rolled steel Rough Opening Door sizes + ¼" or + 6mm Inside Panel Release Mechanisms to allow panels to open from inside, standard on all doors over 12" X 12 inches. Finish High quality white powder coat primer. Packaging Individually wrapped, 1 door per box. Certification UL 10B (2009), NFPA 252 (2012), CAN/ULC S104 (R1985), CAN/ULC S104 (2010) Rating Achieved 1-½ hours, neutral/negative pressure Maximum size 36" x 36" (914 mm x 914 mm), maximum area of 1296 in², tolerance on height and width limitation is more or less 3" (76mm) as long as the area does not exceed 1296 in². Temperature rise No rating achieved
