Specifies requirements for the design, construction and installation of fire-resistant doorsets including transom panels but excluding lift-landing doors and access panels, used to protect openings in walls and partitions required to resist the passage of fire. Shows the variation between Australia and New Zealand in regard to the certification, marking and identification of doorsets as determined by the building codes and practice in both countries. A series of tests by which the physical capacity of the doorsets may be measured is also included.