Fireproof doors for mounting on door frames. The shutters shall comprise of two non-combustible boards 12 mm thick sandwiching 30 mm thick fire resistant insulation filler, with 4 mm thick (nominal) commercial ply on both the sides & 3 mm thick sheet rubber interlayer and hardwood lipping all-round with heat activated Intumescent fire seal strips of size 10 x 4 mm on all the sides.
Delhi, India
