One of the effective products for the wall structures of buildings is a three-layer sandwich panels, the design of which consists of two profiled metal sheets and a layer of insulation from mineral wool or polystyrene stoves. In Russia, such panels appeared in the 80s as a new and imported product, and its own production began to be carried out since the 90s. Such panels have sufficient demand for today. It should be noted that the greatest use of sandwich panels is found during the construction of industrial and public buildings, garages, hangars, etc. p. But quite attractive appearance, environmental friendliness and other technical characteristics allow them to be used in the construction of residential buildings, as well as socially significant objects: schools, hospitals, kindergartens, etc. p.
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Such panels can be used not only as the external fences of buildings, but also for the construction of the roof, and their main advantage is to ensure the required heat engineering characteristics with a small thickness of the structures. In addition to good heat-insulating properties, sandwich panels are characterized by excellent sound insulation. In addition, the technology of their production provides for the possibility of adding additional acoustic liners to the design, as a result of which these panels become an indispensable product for the enclosing structures of objects with a high level of noise: stadiums, production workshops, etc. p.