The extension enables moisture to escape from between all deeper layers of thermal insulation and hydro-insulation through a vent pipe.
| Articles: | A | B | C | h |
|---|---|---|---|---|
| 030-500-220-065 | 65 | 67 | 320 | 220 |
1) Vent pipe cap
2) Vent pipe
3) Extension
4) Thermoplastic bitumen membrane
5) Thermal insulation
6) Water vapour barrier
7) Ceiling
