Flanking sound transmission of cavity and raised floors

Measurement Normalized flanking impact sound level, normalized flanking level difference
Standard DIN EN ISO 10848-2
Measurement object Cavity and raised floors, floor systems with air terminals, bulkheads (absorbent, boards)

Technical data

Floor area (2 rooms) 21 m² and 24 m²
Room volume (2 rooms) 66 m³ and 76 m³
Entrance doors (H × W) 1.990 × 0.835 and 2.02 m × 1.95 m
Height of the floor system Variable

Special feature

Max. sound reduction (related to the size of test sample) R'max,w = 89 dB


More information

  • The height of the floor system can be varied but will influence the room volume.
  • The separating wall above the floor system is made of a multi-layer panel construction with high sound insulation.