With this new edition we continue the collaboration with our funding member Tecnalia and the International Congress on Architectural Envelopes (www.icae2018.eu), which they organise every 3 years in San Sebastian (Basque Country, Spain). The eleven articles found in this new issue were carefully selected from 50 abstracts that will be presented during the scientific section of the congress. The final selected papers were subjected to the regular double-blind review process of the journal. Wit...