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Technical Specifications for Acoustic Curtain

Sound absorption coefficient according to ISO 354

Measurement of sound absorption in a reverberated roomclip image002 Acoustic Curtain Technical Data

Frequency f(Hz) Alpha s(third octave)
100 0.14
125 0.15
160 0.21
200 0.42
250 0.58
315 0.81
400 1.06
500 1.11
630 0.98
800 0.71
1000 0.51
1250 0.34
1600 0.25
2000 0.19
2500 0.16
3150 0.14
4000 0.11
5000 0.10

Transmission Loss according to ISO 140-3

Laboratory measurement of airborne sound insulation of building elements

clip image002 000 Acoustic Curtain Technical Data

Frequency f(Hz) R (third octave)dB
100 5.0
125 12.2
160 6.3
200 19.5
250 8.8
315 19.0
400 23.7
500 24.9
630 31.2
800 33.9
1000 34.1
1250 41.2
1600 45.4
2000 43.5
2500 46.7
3150 45.5
4000 44.4
5000 44.8

For further information please contact our Noise Control Team on 0845 363 7131 or by email at tech@soundservice.co.uk

Every effort is made to ensure the information given here is accurate and reliable but is to be used only as guidance. As each application can be different, users are advised to conduct their own tests to confirm suitability. As our policy is one of continuous development and improvement, we reserve the right to make changes without prior notice.