Università Politecnica delle Marche”, Ancona, Italy
Consulting engineer, Pesaro, Italy
An evolution in building thermal performance codes took place in Italy from the seventies on. The latest law dates from December 2006. The paper refers about codes evolution and the related evolution in envelope masonries performances. New materials and new construction techniques were developed in order to match with the evolving codes. This process is referred in its theoretical aspects and illustrated through some typical buildings of social housing.
thermal performances, energy codes, evolution, case studies