Make a plan for old building insulation - How to proceed?

Mistakes happen everywhere. This can be seen from the scientific documents. Everyone is free to recreate the experimental setup. I have posted it here. #35. Your disbelief doesn't change the fact that it works.

But you probably also believe that airplanes don't actually fly, because that wasn't physically possible 100 years ago.

Snake oil (from English snake oil) is the term for a product that has little or no real function, but is marketed as a miracle cure for many problems.

The other way around: You want to sell something, but you remain without proof and do not explain inconsistencies.
Your answer is only "Just buy a bit in my shop and try it out." No, first you have to deliver, then it can become attractive for us.

As it is so far, it remains snake oil, as the American would say.

Mistakes happen everywhere... The question is, did the manufacturer make the mistake or you?
In the letter regarding test setup #35, there are also formatting inconsistencies. Where it gets interesting, the font changes to bold directly after the word "Die". In the middle of the sentence, for no reason. Your documents all convey the feeling that something is wrong. And unfortunately, you are not able to answer these open questions.

No heat passes through at all.

It is quite normal to highlight important things.