Concrete – How to remove water-based emulsion paint from paving slabs

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On painting the bedrooms in our new house, we've gotten some (mainly) water-based paint on some of the paving slabs on the patio. A little of it may be oil-based gloss we used for skirting boards, but the majority is emulsion.

Is there an easy way to remove it without a lot of laborious scrubbing? I was rather hoping the rain might make it fade, but it's been a few weeks and that was clearly overly optimistic on my part 😉

Best Answer

The water based paint will come off eventually with rain and normal activity on the paving slabs, but it will take a while.

The only guaranteed way is to use water and a scrubbing brush or, if you don't want to get down on your hands and knees, a stiff bristled yard brush.