Product name: steel fire door hollow metal door fire rated door fire proof door Standard: US standard Size: Customized Certificate: FM, WH 45mins, 90mins, 180mins Thickness: 1-3/4” (45mm) Material: 0.9mm, 1.1mm CRS, galv. Galvanneal steel Core: HC, PS, mineral fire board Frame: 1.4mm CRS, galv. Galvanneal steel Frame: Masonry wall , dry wall, Frame:knockdown frame, welded frame, adjustable frame Paint: primer paint, finished paint, powder coating, heat transfer Glass: with Narrow wire glass or without Hardware: UL listed hinge, closer, lock, panic bar etc.. Louver: with or without Type: flush or 2 panel or 6 panel