Installation of inner sound insulation element and storm protection
- Shorten the inner sound insulation element by the same dimension used before for the wall sleeve.
This reduces the values of the standard sound level difference (→ Characteristic curves).
![](../Images/png/324758539__Web.png)
9 | Storm protection |
10 | Sound insulation element, inside |
11 | Wall sleeve |
UP | “UP” arrow |
- Place the storm protection in the sound insulation element approximately in the middle.
- Push the sound insulation element into the wall sleeve from the inside.