3.1.5.6 Combustible Components in Exterior Walls

 What does this article mean to you?

3.1.5.6 Combustible Components in Exterior Walls

1) Combustible components, other than those permitted by Article 3.1.5.5., are permitted to be used in an exterior wall assembly of a building required to be of noncombustible construction, provided

a) the building is

i) not more than 3 storeys in building height, or

ii) sprinklered throughout, and

b) the wall assembly

i) meets the requirements of Clause 3.1.5.5.(1)(b), or

ii) is protected by masonry or concrete cladding not less than 25 mm thick