90mins 180 mins fire rated steel doors ul wh fm certificated galvanized steel fire door hollow metal door $99.00 - $119.00 Min. order: 10 sets 32 in. x 80 in. 1& 6 Panel 90-Min Fire Rated Solid Core Textured Composite Single Prehung Interior Door $120.00 - $150.00 Min. order: 2 ...