Bathroom on the upper floor: ventilation shaft?

: Hello, you seem to know your stuff well, so I have a supplementary question about your last post: A DIN standard in itself is not always binding. By which regulation is the installer bound to it?

Hello Tubifex,

thank you for your answer!
The ventilation is actually far enough away, even on the other side of the gable roof. So definitely 2m away. I’m not exactly sure if the outlet is 1m higher or not, but I think even that would be the case.
Only the draft (which blows from a mountain down towards the house) blows the stench directly to our windows... Presumably, the ventilation would have to be completely moved to the other corner of the house roof so that it no longer blows towards the windows. (Only who knows if the wind doesn’t also occasionally change direction...)

: Hello, you seem to know your way around well, so I have a supplementary question regarding your last post: A DIN standard in itself is not always binding. By which regulation is the installer bound to it?

Hello. Correct, it should be noted that a DIN is a technical standard, a recommendation, not initially a valid legal norm. It is different when the service description/list of the architect/specialist engineer in the construction contract refers to a specific currently valid DIN standard. For example, the written note that the latest DIN 1986 is to be applied and complied with, then the guideline/standard becomes a legally based requirement. As a rule, any construction services prescribed by a planner, architect, or specialist engineer in the bill of quantities/construction contract are specified with reference to VOB/C and the currently valid DIN standard for the trade.

The DIN standard provides the specialist engineer, architect, craftsman, client, and ultimately the mediator or judge with a means of how a work is to be executed and ultimately how a demonstrated defect is to be assessed, remedied, or adjudicated.

A DIN standard is created by experts from the trade to be consulted, i.e., again, university lecturers, specialist engineers, craftsmen, etc.

The DIN standard is a German work, recently European standards have gradually been merged, consolidated, and applied based on the national standards into a European standard.

Best regards, Leo

Thank you. Unfortunately, with us, several things are combined in one sentence "...constructed in a solid, craft-compliant manner according to the currently applicable DIN standards, regulations, the Energy Saving Ordinance (Energieeinsparverordnung), and the recognized rules of technology." Unfortunately, this wording apparently allows the construction company to deviate somewhat from the DIN as long as it complies with the recognized rules of technology. The latter are of course difficult to define. In a discussion, our expert did not dare to insist strictly on compliance with the DIN but instead argued around whether the method of execution could work or not. Fortunately, regarding the base execution, I had additionally included a written reference to certain guidelines containing DIN descriptions. This is provided here as a completion for everyone who will still be signing a contract.

This is here for completion for everyone who will still sign a contract.

A good recommendation!!