• It has been estimated that about 20% of the inhabitants of Western Europe are exposed to noise levels that scientists and health professionals consider to be unacceptable, that bother most people, seriously disrupting sleep and, even feared harmful effects in the cardiovascular and psychophysiological systems. Because it has instituted measures to reduce noise pollution, among which are the installation of noise barriers.
• The first speakers were installed in Europe about 20 years ago. Since then, experience has enabled experience a large number of technical solutions and aesthetic treatments, having used a variety of materials for its realization, demands in the fight against noise, more and more pressing, has prompted us technicians and manufacturers to investigate the behavior of materials against noise, developing specific construction elements for use in the construction of noise barriers.
• The choice of material or materials for a display is determined by several factors:
  • For acoustic reasons, the constituent elements of a screen must provide good insulation characteristics.
    Depending on cases, may be required to materials having a certain capacity for absorption.
  • For safety and durability, the elements must provide resistance to wind or rain and other external agents (photochemical, UV rays, pollutants, corrosion, etc.).
  • In certain situations, and materials for environmental reasons must submit a specific color and texture, transparent or translucent or have a particular appearance.

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