StoneLow absorption

Data source

PTB reference data

Physikalisch-Technische Bundesanstalt

Source: RAMSETE

2 heads wall - full brick UNI 12x25x5.5 cm, 15% joints + whitewash

PTB reference data

Original description

2 heads wall - full brick UNI 12x25x5.5 cm, 15% joints + whitewash

Material properties

Perforation: 15%
Surface: whitewashed

Measurement data

Sound absorption

ISO 354 – reverberation chamber

αw
0.03

Frequency values

αp nach ISO 11654

f (Hz)631252505001k2k
αp0.000.000.000.050.050.05

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Method (354): Measured

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