Are wood fiberboards well suited for thermal insulation?

Hi everyone
An interesting discussion. One question first. How thick are the rafters? Insulation with mineral wool is good. In winter, it keeps the heat inside the building and in summer, it serves as thermal protection. If windows are present, the statement about the roller shutters is good. If the attic is being converted into a living space, cladding the rafters with drywall makes sense. If you want, you can also add a counter battens with another layer of insulation, which increases the effect even more.

Regards

Maik

That's true, the discussion is indeed good and I am also faced with this question. Additional insulation can definitely be useful. In the area of windows, I have decided on [Rollläden]. These keep out the cold and moisture, but the heat stays inside the house.