Akustik dB Finder

NRC Canada

Configuration C2

Date: 4/27/2022
Image with different points.
Ln,w(CI)IICRw(C,Ctr)STC
51(-)5975(-,-)75

No.ComponentMaterialHeightWidthWeight
1Concrete slabConcrete6.1 in----
2AMC Mecanocaucho SRS25 + SylomerSylomer10.87 in----
3C-ChannelSteel1.5 in----
4Furring ChannelSteel0.87 in----
5Glass Fibre InsulationIsolator3.5 in----
62x Plasterboard platesPlaster0.63 in----

Airborne Noise Reduction Rw

Impact Noise Level