New acoustic glazed units 37, 42 and 46 dB
To ensure the reliability of results and to enable the use of the related documentation in all European countries, the evaluation was again conducted by the prestigious IFT institute in Rosenheim.
Structure and coefficients of sound-absorbing double glazed units
Structure [mm] | Type ofused gas | Acoustic insulation coefficient Rw [dB] | C [dB] | Ctr
[dB] |
Acoustic insulation coefficient at average [Hz] [dB] | Heat transfer coefficient Ug [W/m2K] | |||||
T-Thermofloat | 125 | 250 | 500 | 1k | 2k | 4k | wg EN 673 | ||||
8/20/4T
|
Argon | 37 | -2 | -6 | 24 | 26 | 34 | 43 | 45 | 47 | 1,1 |
10/24/8.8T (VSG 44.2)
|
Argon | 42 | -1 | -4 | 30 | 35 | 42 | 42 | 44 | 61 | 1,2 |
9.5 (VSG 44.4)/20/8.8T (VSG 44.2T)Akustic
|
Argon |
46
|
-3 |
-7
|
29 | 36 |
43
|
49 | 52 | 59 | 1,1 |
Currently, the offer of the company includes more than 30 types of sound-absorbing glass. They provide a weighted sound insulation in the range of 31 to 51 dBA.
List of all types of double glazed units offered
List of certificates confirming the declared sound insulation