Mineral woolHighly absorbent

Data source

PTB reference data

Physikalisch-Technische Bundesanstalt

Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994

Value from the PTB table, not verified

Glasswool building blanket with perforated foil facing

PTB reference data

Original description

Glasswool building blanket with perforated foil facing

Material properties

Manufacturer: Bradford Insulation
Thickness: 50 mm, 75 mm, 100 mm
Wall distance: 0 mm
Surface: perforated foil facing

Measurement data

Sound absorption

ISO 354 – reverberation chamber· 4 variants

αw
1.00

Frequency values

αp per ISO 11654

f (Hz)1252505001k2k4k
αp0.550.701.001.001.001.00

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CompareValue
50 mm0.55 kg / m²αw1.00
75 mm0.83 kg / m²αw1.00
100 mm1.1 kg / m²αw1.00
75 mm1.8 kg / m²αw1.00

Dimensions: 120 cm x 15 m

Distance: 0

Terms of use
Measured values as a table (4 measurements)
Glasswool building blanket with perforated foil facing: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-upαw125 Hz250 Hz500 Hz1000 Hz2000 Hz4000 Hz
50 mm · 0.55 kg / m² · 01.000.550.691.071.070.991.00
75 mm · 0.83 kg / m² · 01.000.470.871.091.030.970.86
100 mm · 1.1 kg / m² · 01.000.750.931.141.041.030.97
75 mm · 1.8 kg / m² · 01.000.470.961.111.051.010.88
Measured values as a table (4 measurements)

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