Clause C2D11 [2019: C1.10] of the Building Code of Australia Volume One (BCA) requires any linings, materials or assemblies in a Class 2 to 9 building used for flooring, floor covering and wall and ceiling lining materials to comply with Specification 7 - Clause S7C3, S7C4 and S7C6 [2019: Spec. C1.10: 3, 4 and 6]. All other materials (i.e. whatever holds up the floor covering or lining) are required to comply with Specification 7 Clause S7C7 [2019: Spec C1.10: 7].
(See: Specification C1.10: Materials & Assemblies)
The same product may have a different requirement depending on its use. For example, if plywood flooring is used on joists and bearers, the plywood is required to comply with Specification 7 Clause S7C3 [2019: Spec C1.10: 3] when the plywood is the topmost layer, i.e., exposed plywood flooring. When it has a carpet, decorative timber or tiles etc over it, then the plywood is required to comply with Specification 7 Clause S7C7 [2019: Spec C1.10: 7] with the topmost layer of carpet or other floor covering required to comply with Specification 7 Clause S7C3.
For materials used as floor linings or floor coverings in lift cars, they must comply with Specification 7 Clause S7C6(a) [2019: Spec C1.10: 6]
(See: Specification C1.10: Floor Coverings)
Similarly for walls, a lining such as timber linings or panels are required to comply with Specification 7 Clause S7C4 [2019: Spec C1.10: 4]. The studs that are used to support the linings are required to comply with Specification 7 Clause S7C7 [2019: Spec C1.10: 7].
For materials used as wall and ceiling linings in lift cars, they must comply with Specification 7 Clause S7C6(b) [2019: Spec C1.10: 6].
(See: Specification C1.10: Wall and Ceiling Linings)
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