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It is well known that at a European level, a large building fund must be retrofitted by 2050 to meet the climate and energy targets defined by a reduction of greenhouse gas emissions up to 80 - 95% compared to 1990 levels. In this regard, the proposed recast of the energy performance directive defines a new path: going from nearly Zero Energy Buildings to Zero Emission Buildings for residential and non-residential buildings. Thus, practitioners need more adequate instruments to perform reliable field measurements ...

The aerogel is a nanomaterial that may represent a viable alternative to the traditional thermal insulations, especially when it is required an increase of the thermal performance of the building envelope elements and also a reduced thickness of their finishing layers. The paper presents the conclusions of some studies regarding the thermal behaviour of the aerogel and also some improvement possibilities of this material and of other materials, by integration of the aerogel in their structure. At the same time, th...