Flanking sound transmission via ventilation ducts and shafts

Measurement Normalized flanking level difference (German “Schachtpegeldifferenz”)
Standard DIN 52210
Measurement object Ventilation ducts and shafts, exhaust systems, components of ventilation systems

Technical data

Floor area (both rooms) 20 m²
Room volume (2 rooms) 70.6 m³ and 50.0 m³
Entrance doors (H × W) 2.18 × 0.83 m and 2.02 × 1.95 m
Size of mounting place Variable cross-section of ducts and shafts

Special feature

Max. sound reduction (related to the size of test sample) Dw ≥ 55 dB

More information

  • Circumferential bracket to support the separating floor
  • Variable installation of duct and shaft systems