Recovery and Requalification comprises the correction of pathologies in order to bring the building back to its state of equilibrium and Actions with the objective of recovering and benefiting buildings, through mechanisms of technological updating.

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Retrofit is an English word that means to retrofit something. It is a trend in civil construction that consists of a process of renovation and updating of buildings or urban areas.

The retrofit appeared in Europe and the United States at the end of the 90's and was initially applied in the aeronautical industry in the process of modernizing aircraft equipment. This process expanded to the area of civil construction mainly due to the needs of historic buildings.