You will be required to comply with this standard if you are a registered plumber, licensed plumber, or any other person authorised to carry out plumbing works and you intend to undertake roofing (stormwater) work and deal with pliable membranes and underlays.
This standard specifies the requirements for materials suitable for use as a pliable building membrane (also known as underlay) when it is intended to act as a sarking membrane or thermal insulation, or a vapour barrier in a domestic, commercial or industrial building.