tough mass between masonry and concrete ceiling.

Can you remember if sound insulation in the form of roofing felt was placed on the top row of stones under the filigree ceiling?

Construction expert on the go

Martina, that was 3 years ago, you forget some things. I'm not even sure if I possibly saw it back then while painting and just painted over it. Maybe it even stuck out slightly and I cut it off at the time. It was only the HAR. I just searched again in the construction performance description but found nothing about sound insulation. While researching I just realized, we didn't have a filigree ceiling but a hollow-core slab precast ceiling. I'm realizing again that having a child and building a house at the same time was somehow a bit much.

Hollow slab precast ceiling = prestressed hollow core slab?

Rhenish greetings

In our photos (you can never take enough) I see that on the top stone and directly under the precast concrete ceiling there is a layer of roofing felt (bitumen barrier membrane?). We built with sand-lime brick.

In my opinion, we also had something between - but possibly only with the interior walls (?)

Hollow core slab precast ceiling = prestressed hollow core ceiling?

I think so.