There are a 3 videos on that playlist, you may have to scroll up and down.
It looks like the dot and dab method they are using has bonded to the wall but there is a big gap behind the boards that I can see.
Is it acceptable to fill the void as they have done in the picture attached? The company is a reputable one but they focus more on plastering, not EWI.
They are putting insulated windowsills in after.
