Ceiling spots in a concrete ceiling - very expensive from the developer - your tips

One should also clarify exactly what kind of floodlights they are. Manufacturer, color temperature, power supply included, etc. Only then can a statement be made whether it is expensive or cheap. With lamps, there is no limit either. The floodlight alone can quickly cost more than 180€.

Good day,
we are also currently fully in the planning phase. I am reading through many posts and noting down the information^^
Spots should also be installed with us, but now I’m wavering whether that’s the solution. The spots should be dimmable at the edge, so I’m asking myself, maybe suspend(?).
Cost-wise we would save money, but unfortunately the ceiling height on the side would then be missing.
Especially since we will have a height of 2.50m anyway…
The box with the dimensions 30x10 already looks strange.
As I said, this would only be on the side (wall-ceiling).
Your opinion is requested.

If you are still in the planning stage, then have them installed right away. We got the "Becher" ourselves and delivered them to the ceiling company. They cost about €5 per spot. We should pay a flat rate of €100 for the installation.

If you are still in the planning stage, then have them installed directly. We got the "cups" ourselves and delivered them to the ceiling company. They cost about €5 per spot. We should pay a flat rate of €100 for installation.

If possible, we would also do this. Was the drilling included in the €100?

If possible, we would do that as well.
Was the drilling also included in the 100€?

I can't say how your house is being built. Nowadays, there are hundreds of different types. Our ground floor was built with solid masonry. On top of that came a precast ceiling made of several elements. Reinforcing steel was then installed there and finally cast in concrete. On top of that comes the actual floor structure with insulation, screed, upper floor walls, etc.

The precast ceiling is cast at the factory by the ceiling supplier and, as mentioned, delivered in several parts. Now imagine this spot box like a 5KG yogurt cup. This cup is simply installed at the factory and cast into concrete. When the ceiling is delivered, you also have to be on site to pull your cables into the boxes. There is a lid that can be opened to pull the cables in. Afterwards, the cable plus the entire box is cast into concrete.

The box has a diameter of about 15-30 cm depending on the manufacturer. The spot itself only requires about 6-7 cm. So if the installation boxes were not installed completely straight, you still have some leeway and must measure precisely later anyway. The walls will also be plastered later in different thicknesses, so you can't calculate that exactly beforehand, hence the large "yogurt cup."

So you need to get these boxes + a floor plan of your little house and mark accordingly where these boxes should be located.

Unfortunately, I don't have a photo of our ceiling on hand right now, so I attached one from the internet. But our ceiling looked quite identical. I also tried to paint with Paint to show you how the ceiling structure is.

Why the whole story?

Was the drilling also included in the 100€?

You don't need to drill

Edit: I found another photo online showing how it looks later from below. There you can see that you can then align the spots precisely to the centimeter.

I can’t say how your house is being built. There are now hundreds of different types. Our ground floor was built with solid masonry. On top of that came a precast concrete slab made of several elements. Reinforcement steel was then inserted there and finally poured into concrete. On top of that comes the actual floor construction with insulation, screed, upper floor walls, etc.

The precast concrete slab is cast at the ceiling supplier’s factory and, as mentioned, delivered in several parts. Now imagine this recessed light box like a 5KG yogurt cup. This cup is simply installed in the factory and poured into the concrete. When the ceiling is delivered, you also have to be on site and pull your cables into the boxes. There is a lid that can be opened to pull the cables through. Afterwards, the cable plus the entire box is poured into concrete.

The box has a diameter of about 15-30 cm depending on the manufacturer. The spotlight itself only needs 6-7 cm. So if the installation boxes were not installed completely straight, you still have some leeway and will have to measure exactly later anyway. The walls are also plastered in different thicknesses, so you cannot calculate this exactly beforehand, hence the large "yogurt cup."

So you need to get these boxes + a floor plan of your house and mark accordingly where these boxes should be.

Unfortunately, I don't have a photo of our ceiling at hand right now, so I added one from the web. But our ceiling looked pretty much identical. I also tried to draw how the ceiling structure is with Paint.

Why all the long story?


You don’t have to drill

Edit: I found another photo online showing how it looks from below later. There you can see that you can still align the spots precisely by cm.

That’s exactly how I imagine it. Unfortunately, this is what it says in our building description:

• Floor slabs are executed as dimensioned precast floor slabs according to static requirements

So these would be nice costs for the spots.