CONCRETE SPEAKERS

The concrete noise barriers are characterized by what its name suggests, that is which are composed of concrete slabs, composed of 2 Covers (Porous concrete and structural concrete), which generally high quality of absorption.

The working mode getting these screens is simple, sound wave is introduced into the interstices or (Pairs) concrete and is dissipated as heat by friction.

This type of display follow the rules:

  • IN 1793-1 / 1998
  • IN 1793-2 / 1998

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