• Yes, wet, just washed off all the loose sand left after jointing. It will look a tone or so lighter when dry and will only get fractionally lighter over time. It is officially 'charcoal', the only way to get darker is to use porcelain or similar, 'black' slate comes up the same colour after a year or so.

  • Thanks.

    We have black slate (I think) in mind for when we redo our patio. But I worry about how it will age.

    Also that looks like a nice less dark option...although the slightly reflective, oil-slickly nature of the black slate is what appeals to me.

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