Steel Doors are approved from Department of Industries Commerce, Bahadurgarh (Haryana) 60/120 MINUTES FIRE RATED STEEL DOOR46mm thick steel fire door of 60/120 minutes fire rating fabricating with 2 No. 18SWG galvanized steel sheet sandwiching with proprietary fire resistant insulation materials in between. The door frames are manufactured from 16SWG galvanized steel sheet.Pressed form to double rebate profile of size 143mm X 57mm. The door frame and door shutter are fitted with SS BALL BEARINGHINGES (extra cost) and are coated with one coat of fire and corrosion resistant primer.