Impactafoam - Acoustic Data

Sound Insulation ISO 140-6

Weighted impact sound pressure level (L) ISO 717
Impactafoam laid onto a structural floor of mass 384kgm² with screed laid over:

50mm Screed L_nw = 61dB
70mm Screed L_nw = 60dB
100m Screed L_nw = 58dB

Test carried out at Acoustical House EMPA, Dübendorf. Date of test 18.5.88

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Sound Insulation ISO 140-8 1998

Reduction of impact sound Pressure level (Delta L) ISO 717-2 1997

Impactafoam laid onto a structural concrete floor with 6.8mm laminated floor laid over

Delta L_w = 22dB

Test carried out at Sound Research Laboratories Sudbury, Suffolk. Date of test 15.1.01.

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