No, these blocks are construction/interior only.
Next layer is 65mm Kingspan Kooltherm (RC=4!), same insulation as 250mm rockwool!
Then 20mm air.
Then this

I like these modern black bricks 200x200x70mm.
They are pretty precise in measurements, so they can be glued as well. It will give you 1mm seams only.
Pipes are inserted with this before stuccoing:

The two blades cut a slot for the plastic pipes.
Mostly we insert some empty pipes as well for future wiring.