The methods for the durability evaluation of pitched roof

The research carried out by the Unit of Palermo, “Planning and experimental evaluation methodologies of discontinuous roofing class durability”, becomes part in the more general picture of evaluation and control of the technological quality of complex products for the building and in particular of durability, fundamental to reach the quality in building (ISO 8402, UNI 10838), cause it regards maintenance over time of the performances owned at the moment of the entrance in exercise and the modalities in which them decay during time. For the research result fundamentals the normative contributions, in international field of CIB W80/RILEM 175 (Service Life Methodologies) and ISO TC59-Buildings…