Sound walls – Testing the non-acoustic properties

MFPA Leipzig GmbH is recognised, accredited and notified in Germany as a testing body for noise reduction devices on roads in accordance with DIN EN 14388. Working Group 2.1 performs tests on the non-acoustic properties of sound walls and prepares the initial type test required for CE marking. We can also provide the tests in accordance with DB Guideline 804.5501 that are required for a permit extension from the Federal Railway Authority (EBA).


Our services


We offer the following services for the preparation of an initial type test (ITT) for noise reduction devices on roads:


Non-acoustic testing in accordance with DIN EN 1794-1

Non-acoustic testing in accordance with DIN EN 1794-1

Non-acoustic testing in accordance with DIN EN 1794-1

  • Highest normal load capacity (wind load)
  • Determination of self-weight (dry, wet and reduced wet)
  • Highest vertical load capacity
  • Resistance stone impact (resistance to stone throwing)
  • Dynamic forces from snow clearance

Non-acoustic testing in accordance with DIN EN 1794-2

Non-acoustic testing in accordance with DIN EN 1794-2

Non-acoustic testing in accordance with DIN EN 1794-2

  • Secondary safety (falling debris)
  • Reflection of light

Non-acoustic testing in accordance with DIN EN 14389-2

Non-acoustic testing in accordance with DIN EN 14389-2

Non-acoustic testing in accordance with DIN EN 14389-2

  • Assessing long-term performance

We also offer:


    Your point of contact

    Working Group Leader
    Dipl.-Ing. (FH)
    Immanuel Wojan
    T +49 (0)341 6582-129
    F +49 (0)341 6582-181