Airborne sound insulation, timber floor, Rw (C;Ctr): 47 dB. Impact sound insulation, timber floor, Ln,w (Ci): 53 dB. Impact sound improvement, concrete floors, ΔLw: 37 dB.
Airborne sound insulation, timber floor, Rw (C;Ctr): 49 dB; Impact sound insulation, timber floor, Ln,w (Ci): 55 dB; Impact sound improvement, concrete floors,ΔLw: 37 dB.