• Fire rating: 2-hour fire barrier
• 11/2 hour B label maximum temperature increase . after 30 minutes 250 °F (139 °C) . after 60 minutes 450 °F (250 °C) ,Warnock Hersey file no.: L-14031 for ceiling 1-hour combustible rating and 3-hour non-combustible rating
• For wall: in conformance with the following codes: UL10b UL-555 ASTM E152 NFPA 252 and ULC-S104
• For ceiling: in conformance with the following code: UBC 43-7 for ceiling installation
• Material: satin-coated 16 ga. steel - Insulation: mineral wool
• Hinge: continuous piano hinge allows opening to 165°
• Lock/latch: self-latching tool-key operated latch and/or ring-operated latch both included
• Inside panel release: furnished on all doors
• Automatic panel closer: furnished on all doors
• Finish: rust-inhibiting grey primer
• Packaging: wrapped individually in a box

Normally ships in 3-5 business days.