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  1. J

    Indian sandstone patio stains/marks

    I used Lithofin Colour Intensifier sealant which was recommended to me by the landscaper who laid the patio. I can confidently say that the sealer wasn’t spilt, but believe that something else may have been, and the sealer simply made it visible.
  2. J

    Indian sandstone patio stains/marks

    I applied the sealer with a roller so it was evenly distributed. It’s also only on some slabs and not others - I think if there was a problem with the sealer or the method of application it would be on most/all of them. The patterns appear almost symmetrical on some slabs which makes me think...
  3. J

    Indian sandstone patio stains/marks

    Hi KenGMac, I’ve already searched for this and multiple variations of it but can’t find much, and certainly nothing that looks like the stains I’m seeing on my patio. If anyone has any suggestions on what has caused the stains I’d be really appreciative.
  4. J

    Indian sandstone patio stains/marks

    Hi all, I had an Indian Sandstone patio laid last year. Everything looked fine to start - we left it around 4 weeks and then sealed it whilst there was good weather. After sealing it, we saw that many of the slabs had these strange markings on them which weren’t previously visible before the...
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