Thought you might! Just tamp with a suitable length beam between the existing concrete and the shuttering, don't be tempted to smooth the finish over or it will lose all grip when icy.
It's only temporary (until I do the renovations) but I'm planning on a brush finish.
@Bobbo started
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Thought you might! Just tamp with a suitable length beam between the existing concrete and the shuttering, don't be tempted to smooth the finish over or it will lose all grip when icy.