ISO/TR 52018-2:2017 refers to ISO 52018‑1.
ISO 52018‑1 gives a succinct enumeration of possible requirements related to thermal energy balance features and to fabric features. It also provides tables for regulators to report their choices in a uniform manner. ISO/TR 52018-2:2017 provides many background considerations that can help both private actors and public authorities, and all stakeholders involved, to take informed decisions.
ISO/TR 52018-2:2017 does not contain any normative provision.