Renovate free-swinging concrete stonework stairs

For that, the steps must be completely sanded down, right? What type of paint is suitable for that?

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Possibly, a different railing would enhance the appearance of the staircase.

I would leave the steps as they are, as it often only results in a "worse improvement."

Regards

I would leave the steps as they are, as it often only results in a "worse improvement."

I agree. If the "speckled" design of the natural stone bothers you, one could consider Beton cire.

Having the thing clad by the carpenter should not be rocket science. But it certainly won't be cheap.

Having the carpenter cover the thing should not be rocket science. But it certainly won't be cheap

I agree with you on the price, but I would discuss every intervention in the construction with the structural engineer without exception. The vibration behavior is part of the structural engineering; in my opinion, the steps should not be encapsulated.