You can find out more about our new name and the reasons behind it here.
We ask for your understanding that, due to this change, we will be temporarily unavailable on Sunday. It will also not be possible to place any orders on Sunday.
But we will be there for you from Monday onwards with our new name.
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Short description
The guideline provides recommendations for the design and operation of ventilation systems for tunnels. Tunnels within the meaning of this guideline are road tunnels which are used mainly by motor vehicles with internal combustion engines. The purpose of the guideline is to provide building sponsors and operators with an overview of the state of tunnel ventilation technology and to provide design information for planners and give information on the present state of the basic principles of calculations for tunnel ventilation.