BS EN 15026:2023

This standard BS EN 15026:2023 Hygrothermal performance of building components and building elements. Assessment of moisture transfer by numerical simulation is classified in these ICS categories:

• 91.080.01 Structures of buildings in general
• 91.120.10 Thermal insulation of buildings
• 91.120.01 Protection of and in buildings in general

This document specifies the model components to be used in a numerical hygrothermal simulation model for calculating the transient transfer of heat and moisture through building structures. This document specifies a method to be used for validating a numeric hygrothermal simulation model claiming conformity with this document.