Fire Door Bottom Powder Coated Finish Insert Size 1/2 in Flange Height 5/8 in Width 1 1/2 in Length 42 in Projection 1 in Housing Material Stainless Steel Color Dark Bronze Performance Standard Duty Housing Thickness Not Applicable Flange Material Stainless Steel Flange Thickness 1/16 in Drip Cap Projection Not Applicable Hardware Included For Use With Hollow Metal Doors Wood Doors Standards ANSI/UL10B CAN/ULC-S104 IBC NFPA 252 NFPA 80 UL UL Fire Rating UL10C