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The development of objective methodologies for the preventive conservation of historic buildings is extremely relevant to mitigate the deterioration of buildings and sites with exceptional cultural value. In this sense, there is a growing need to develop comprehensive, coherent plans to manage, preserve and protect heritage buildings in areas that are extremely susceptible to natural disasters, such as the case of the Pacific coast of South America. Two methodologies are presented in this study to assess the functional service life and protection level of cultural heritage in Chile. This research intends to establish a correlation between the functional performance of heritage buildings and the Chilean code related to the definition of the preservation of historic heritage buildings. This study applies both methodologies to 25 heritage buildings (timber housing) located in the city of Valdivia, Chile. A multiple linear regression analysis is applied in order to rank the influence of the variables used to define the protection level, according to the Chilean standard, in the functionality index of timber heritage constructions. The information obtained in this study is exceptionally relevant for the researchers and stakeholders responsible for the definition and implementation of maintenance programmes in building stocks.
Prieto et al. (2017) studied this question.