ᐅ Garage Height – Which Floor Construction to Use (Height Issue)?

We have a small height issue with our garage.
The garage is planned to be only 2.25 meters (7 ft 5 in) high.
If 6 cm (2.4 inches) of screed is added on top as shown in the plan, the height will be reduced to just 2.19 meters (7 ft 2 in).
I am currently planning the driveway so that at least a 2.125 meter (7 ft) door can be installed.
However, the screed thickness is causing problems with the installation height.

What would you recommend in this situation?
I was thinking about either grinding the concrete slab smooth and sealing it (with a coating, etc.) or installing tiles without screed (with an underlay mat?).
Is something like this feasible?

Is there a connection to the house? In a garage, there is usually no underfloor heating, so a screed thickness of 6 cm (2.4 inches) seems quite generous to me. In the basement of a rental building, I never missed leaving out the screed entirely. For a garage floor, I would apply a coating that makes sweeping much easier compared to bare concrete. What is the installation height of the gate threshold?

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Yes, there is a door leading to the basement from the main house. It will also serve as the primary entrance for residents arriving by car.
What exactly do you mean by the construction height of the threshold?
The lintel? It is planned to be 11.5 cm (4.5 inches) high.

Grinding the concrete and leaving it as is, without painting. --> Looks great (a friend of mine did it this way)

Loads schrieb:
What exactly do you mean by the construction height of the threshold?
The lintel? That is supposed to be 11.5 cm high (4.5 inches).

The threshold is the lower counterpart to the lintel. For sectional doors, it can be very flat, whereas for up-and-over doors there also needs to be the strike plate attached at the bottom.

In the mentioned basement, this was the case: the stairwell had a marble floor, the basement floor was raw concrete, and apparently a screed height of 4 cm (1.5 inches) or slightly more was planned. But since it wasn’t installed, a mortar ramp was used at the edge of the marble floor instead. From a user perspective (for a storage and workshop basement), this made no difference in quality; the missing screed was mainly noticeable by the height of the bottom door gap.

bernie schrieb:
Grinding the concrete and leaving it unpainted --> looks great

I had one garage with bare screed and another with paint on top, and that made a significant difference when sweeping. It’s almost impossible to polish the surface smooth enough so that dirt doesn’t settle in the “pores.” With paint, you can even mop it. Currently, my steel garages have interlocking pavers or paving slabs, which the cars like well enough.

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Remember, salt and concrete are not compatible; a simple paint coating is not the right solution.

It needs to be sealed.