Abstract.In article the problem of durability of elevations of large-panel technology buildings is analyzed. In Poland this is a serious technical issue because it has an impact on the whole country. Heat loss through infiltration, the possibility of mold growth and general breakdowns are also reasons for increasing user discomfort. In article the results of the diagnostics presented in the literature and the authors' analysis and diagnostic results are presented. Article also presents conclusions regarding to the durability of applied insulation systems ETICS and the need to strengthening the layers connections of the facade panels.
The article is a review of solutions, errors and mistakes in the project design and execution and their impact on reliability and durability of structures. Were used the results of inspections of 95 precast residential buildings situated in Warsaw, build in years 1961-1994. Inspections were made in years 2005-2006 and 2014. The summary of author researches [1,2,3,4] shows that the precast concrete prefabricated buildings can achieve real duration of use not less than 100 years. Taking into account quite good maintenance, intensive modernization and greater economic value of the housing stock in Warsaw can be assumed that their service lives may reach 120-150 years.
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