Soundproofing Solutions to Meet New Part E Building Regulations

Internal Wall / Metal Stud / 53 R_wdB

Application

Sound Reduction Performance		53 R_wdB
Part E Acoustic Requirement		40 R_wdB

Components and Fixing Data: 1 x 1.2mm Acoustic Membrane between 2 x 12.5mm Plasterboard (screwed to)

70mm Metal Studs (at 600mm centres)

50mm Acoustic Mineral Wool Insulation (in cavity)

1 x 1.2mm Acoustic Membrane between 2 x 12.5mm Plasterboard (screwed to studs) Technical Data:

Mass per Unit Area:		42Kg/m²
Footprint Width:		122mm
Fire Protection:		60 minutes

SOUNDPROOFING MODIFICATIONS:

Using just 2 x 12.5mm standard plasterboard sheets each side with our acoustic quilt in the cavity space will give 54 RwdB Substituting wooden studwork for the metal stud will reduce the performance by around 3dB

graph data airborn
50	19.0
63	13.2
80	12.9
100	27.8
125	34.0
150	39.6
200	37.6
250	39.2
315	46.6
400	49.4
500	52.6
630	54.1
800	55.6
1000	57.3
1250	58.8
1500	61.5
2000	63.6
2500	59.6
3150	52.8
4000	54.5
5000	56.3