55 mm thick light weight asbestos free fire proof of 120 min. Fire rating confirming to BS:476 part 22, IS:3614 partII fabricated with 2 nos. 1. 6mm thick galvanized sheet with infill of fire rated....
55 mm thick light weight asbestos free fire proof of 120 min.
Fire rating confirming to BS:476 part 22, IS:3614 partII fabricated with 2 nos. 1.
6mm thick galvanized sheet with infill of fire rated acrylic sealant and non-combustible core (rockwood 196 kg/m3) bonded to both faces of sheets with lock seam joints at stile edges and internal reinforcement at top, bottom and stile edges for fire rating .
The door frames are manufactured from 1. 6mm thick galvanized steel sheet pressed from double rebate profile of size 150mm into 65mm .
The door frames and door shutters are finished with zinc chromate primer/'H' primer.
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