Trio India Fire Doors are tested and have a certificate in accordance with the highest Indian standards. [ BS 476(Part-20 & 22) 1987 & IS: 3614, (Part-2) 1992 ] The fire ratings vary for 60, 90 and 120 minutes for different models. Our doors are made up of galvanized or stainless steel and have edges with lock formed. Insulated and bonded using Rock wool that is made up of pure polyester powder of thickness ranging between 60-80 microns.
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