I laid a patio last week. All went well, but the owner insisted that he finsihed the grouting between the slabs. OK, no problem.Leave him to it. The slabs have a yellow tinge to them, and the owner has now told me he has grey concrete stains on them from over spill when he grouted, and will I go round and have a look. So, whats the best way of getting the light discolouring off of these slabs? Ta Alan.
Removing concrete stains on slabs?
Jul 22, 2007
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You don't say what the slabs are. Concrete, limestone, slate,.....?? If it's material that is not soluble in acid (at least quickly), then brick acid could be a solution. It should be tried on a scrap piece first.
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You don't say what the slabs are. Concrete, limestone, slate,.....??
If it's material that is not soluble in acid (at least quickly), then brick acid could be a solution. It should be tried on a scrap piece first.
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