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 between 3-4 Business Days
***For More Sizes and Styles please see column on left hand side***
Shipping - In most cases we'll ship your order on the same day if possible (i.e. if your order comes in before "last call" for the mail department). Otherwise, orders are generally shipped the next business day for all items in stock. We are unable to ship internationally.
Returns - Contractors Tool Supply is happy to accept returns, for the cost of merchandise only and a 20% restocking fee. Please call for more information.
Low Order Processing Fee - All orders below $25 will incur a $5 processing fee.
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