| | SHV introductory: | |
| | Smoke emission without SHV
 | Smoke emission with SHV
 | |
| | Thermal ascension ensures the fact that large toxic gas quantities ascend and that the space get filled with smoke. A fast activation of the smoke venting system is essential to fight the large smoke propagation speed and the smoke development. | |
| | System Presentation: | |
| |  | Acses nvSmoke and Heat Venting Systems | |
| |  | Smoke and Heat Vent SystemsNatural Ventilation Systems | |