**About the Editor**

#### **Paulo Santos**

Paulo Santos [ORCID 0000-0002-0134-6762] is Assist. Prof. in Dep. of Civil Eng. of University of Coimbra, PT. Member of ISISE (Institute for Sustainability and Innovation in Structural Engineering) research centre. The main actual scientific research fields are Thermal Behaviour, Energy Efficiency in Buildings and Sustainable Construction. He is author of around 160 scientific publications and was supervisor of around 50 Doctoral and master's theses. He participated in around 12 funded European and Portuguese research projects, being nowadays the Principal Investigator of the Tyre4BuildIns: "Recycled tyre rubber resin-bonded for building insulation systems towards energy efficiency" research project. Furthermore, he is member of iiSBE: International Initiative for a Sustainable Built Environment (2011,-) and Technical Committee TC14: Sustainability and Eco-efficiency of Steel Construction of the ECCS: European Convention for Constructional Steelwork (2008,-).
