| 3.1.15.2. |
Roof Coverings
- Except as provided in Sentences (2) and (3), every roof covering shall have a Class A, B or C classification as determined in accordance with Article 3.1.15.1.
- A roof covering is not required to have a Class A, B or C classification for
- a tent,
- an air-supported structure,
- a building of Group A, Division 2 occupancy not more than 2 storeys in building height and not more than 1 000 m2 in building area provided the roof covering is underlaid with noncombustible material, or
- a steel building system referred to in Article 4.3.4.3., provided the roof covering consists of brick, masonry, concrete, metal sheets or metal shingles.
- Except as provided in Sentence (4), roof coverings on buildings conforming to Article 3.2.2.50. or 3.2.2.58. shall have a Class A classification where the roof height is greater than 25 m measured from the floor of the first storey to the highest point of the roof.
- Where buildings conforming to Article 3.2.2.50. or 3.2.2.58. include non-contiguous roof assemblies at different elevations, the roof coverings referred to in Sentence (3) are permitted to be evaluated separately to determine the roof covering classification required.
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