Two criteria fire doors comes with premium quality with Special double rebate frame and galvanized steel doors that inhibit fire, insect attacks and organic decay. Its finest quality makes it preferred choice of Hotels, Airports, Banks, Financial Institutions, Shops, etc. FeaturesFire rating up to two hours (, 1, 2 hrs).High quality galvanized steel doors that inhibit fire, insect attacks and organic decay.Doors made using the multibend construction and weld less lock seam joinery technique for a dent free finish.Reinforcements at the top, bottom and locking area make the door burglar resistant.Etch primer coating on frames and shutter, followed by an epoxy zinc phosphate primer, and a final coat of high quality PU paint for higher durability and resistance against corrosion.Premium quality SS ball bearing hinges that are flushed with the frame.