Concrete is alive.

The open-pored structure of wood concrete is ideal for sound absorption since it depends on surface and mass. In contrast to hard, closed surfaces, such as aluminium, glass, steel, wood, or stone, the sound is not reflected.

Absorption classes

The absorption capacity of noise absorbers is divided in noise protection classes in ascending order: A1 < 4 dB, A2 4-7 db, A3 8-11 dB, A4 12-15 dB, A5 > 15 dB. The Rieder product range includes different types of wood-concrete absorbers with thicknesses of 4 to 16 cm. Rieder offers absorber bodies for the absorption classes A2 to A5.

  • A5 mushroom
  • A4 deep corrugation
  • A3 corrugation
  • A3 block 11
  • A3 block 7/9
  • A2 block 4
A5 mushroom
A4 deep corrugation
A3 corrugation
A3 block 11
A3 block 7/9
A2 block 4

The Rieder Group operates internationally and offers customers a large network. With 4 locations, as well as sales partners in over 50 countries, the innovative concrete products are used worldwide.

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