Blackbutt codemark
NCC vol 1 Clause F3D5 only allows the following external wall materials as Deemed-to-Satisfy:
(a) Masonry, including masonry veneer, unreinforced and reinforced masonry: AS 3700.
(b) Autoclaved aerated concrete: AS 5146.3.
(c) Metal wall cladding: AS 1562.1.