Assessment according to DIN EN 1793-2: DLR = 26 dB
tested in the window test stand With posts
Classification: Group B3 soundproofing (see page 60)
Assessment according to DIN EN 1793-1 : DLa=8 bzw. 9 dB
Tested in acoustic chamber
Classification: Group A3 sound absorption (s. S. 61)
Single-side high absorbency elements
For ease of erection elements supplied in 2 resp. 3 sections
complete With V-shaped trim
Weight per unit area approx. 50 kg/m2