The door should have a fire rating of at least 2 hours.
The door must be tested and certified according to either IS 3614 Part-2 or BS 476 Part-20 & 22 at an NABL & CBRI Approved Laboratory to comply with the updated standard of 3614: 2021.
Construction material: Galvanized steel sheet.
The door should have a stability, integrity, and 30 minutes of insulation.
Recommended fire door design should match test evidence from CBRI and feature a vision lite.
Door leaf should be a minimum of 46mm thick, fully flush double skin.
Round-shaped vision panel with a diameter of 300mm.
Internal construction should include rigid reinforcement pads to support hardware.
Infill material: Honeycomb craft paper.
Door frame: Single rebate profile, at least 120mm x 57mm, made from a minimum 1.5 mm thick galvanized steel sheet.
Frame should include an inbuilt groove gasket system called Aco120.
Frames will accommodate necessary hardware like locks and hinges.
Frames should include back plate brackets for anchor fasteners for installation on a finished plastered wall opening.
Powder Coating finish with approximately 60 microns thickness in desired RAL Shades.
Manufacturer must hold ISO 9001-2015 certification.