ᐅ Ceiling to the attic floor – is wood or concrete more cost-effective?

Brücke239 schrieb:

So far, based on the plan, there has only been a preliminary discussion and the change was proposed.

We are not familiar with the quality of your planning. Generally, a wooden beam ceiling is more cost-effective. However, many general contractors primarily specialize in structural work (masonry and concrete), offering concrete ceilings as their own trade while subcontracting the wooden ceiling (as already mentioned). Therefore, the price difference can actually be a margin difference in reality (otherwise, it would usually tend to go the other way).

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If this is the ceiling between the two dwelling units, it should always be concrete. In my opinion, this is also the more cost-effective solution in a solid (or masonry) house.

gutentag schrieb:

If that is the ceiling between the two residential units

No. It is about the top ceiling below the cold attic. That is why there is a suspicion that the general contractor is trying to shift additional on-site costs onto the original poster.

Brücke239 schrieb:

a concrete ceiling towards the (cold) roof

The concrete ceiling offers clear advantages over a wooden ceiling. Stability, no movement in the ceiling like with drywall ceilings, sound insulation, durability, and more.

Matthias45 schrieb:

The concrete ceiling has clear advantages over a wooden ceiling.

But of course, there are also advantages to a wooden ceiling, as I already explained in "Plan change: from a concrete ceiling to a wooden ceiling." This provides more freedom to choose wall materials on the upper floor and to differentiate the layout of the upper floor from that of the ground floor – see also: https://www.hausbau-forum.de/threads/bauvertrag-Änderungen-vertrag-bei-fertiganbietern.41789/#post-538963.

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