Soundproofing Solutions to Meet New Part E Building Regulations

Internal Wall / Timber Stud / 43 RwdB

Application

Sound Reduction Performance		43 RwdB
Part E Acoustic Requirement		40 RwdB
  • Components and Fixing Data: 1 x 12.5mm Plasterboard (screwed to)
  • 75mm x 50mm Timber Studs (at 600mm centres)
  • 52mm Acoustic Quilt (suspended in cavity)
  • 1 x 12.5mm Plasterboard (screwed to studs)
    Substituting the wooden stud for 70mm metal 'C' studs will give the same 43 RwdB result. Technical Data:
    Mass per Unit Area:	22Kg/mē
    Footprint Width:	100mm
    Fire Protection:	30 minutes
    

    SOUNDPROOFING MODIFICATIONS:

    Adding our Acoustic Membrane between 2 layers of 12.5mm plasterboard will improve the above system by between 8-10dB Adding Resilient Bars to at least one side will improve the above system by around 3-5dB
    graph data airborn
    50	18.8
    63	14.6
    80	12.4
    100	11.0
    125	21.0
    150	27.0
    200	31.9
    250	36.7
    315	39.6
    400	45.4
    500	45.4
    630	48.0
    800	49.9
    1000	53.2
    1250	54.3
    1500	56.2
    2000	55.6
    2500	49.4
    3150	43.3
    4000	47.0
    5000	53.2