How make this reflection

Hello
To avoid the 3d perfect reflect I try to make a reflection a bit wavy/random, but with no success :sweat:
Any idea how to do it? :nerd_face:
1st pic my result, 2nd the goals (blend file joined in case)

image

Concrete.blend (4.7 MB)

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Plug a noise texture into the height of a bump map node, and plug that into the normals

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Perfect thank you very much :pray: :sparkles:

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You can also mess around with the specifics of the texture to get interesting patterns :wink:

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