Connection joint between masonry and drywall panels

Hello everyone,

we bought a house from a developer and now the drywall work is finished.
I noticed that the joint between the wall and the gypsum board ceiling (on the upper floor) varies greatly.
I hope the pictures make this clear.

The construction description states, among other things: All interior wall and ceiling surfaces will be prepared for wallpapering. The joint between the masonry and the gypsum boards is to be sealed with acrylic as part of the painting work, done by the owner.

Now my question is whether the drywall work has been carried out properly and if the joint in the wider areas (up to 1 cm) can be easily sealed with acrylic.
Or if it possibly needs to be filled first, because how is the acrylic supposed to hold like that? In my opinion, there shouldn’t be any gap between the masonry and the gypsum board, or am I completely wrong here?

Thanks in advance!

That would also interest me in the near future.

In my opinion, there shouldn’t be a gap between the masonry and the drywall panel, or am I completely wrong here?

I think that is an expansion joint, it will need that because of the different settling of the materials, or am I wrong?

I recently read that acrylic tolerates very little stretching and tears easily. Would silicone then be better suited?

Sorry for more beginner questions instead of answers

Actually, the drywall should not touch the wall; it compresses and creates space when it moves.

Typo "das" = should be "darf".

So the gap is okay/correct like that and I can just cover it with acrylic? Nothing else needs to be filled in?

Acrylic will definitely crack for you and silicone is not paintable. Therefore, both are not suitable and will not look good. The gaps are also relatively large and uneven.