The following extracts show situations where solid core doors are nominated in the Building Code of Australia.
Part extract of Clause C3.11:
C3.11 Bounding construction: Class 2, 3 and 4 buildings
d) Protection for a doorway must be at least –
(i) in a building of Type A construction – a self-closing -/60/30 fire door; and
(ii) in a building of Type B or C construction – a self-closing, tight fitting, solid core door, not less than 35 mm thick.