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l have had a patio laid two years ago with Indian stone and didn’t realise how easily it stained. I am going to clean it this spring and would like to see if l can protect it with a sealer but not darken the colour if possible, could you please advise, approximately 85 square meters area,
As you are looking to keep the paving looking as it does when it is dry I would recommend the Water based Matt sealer (link below) this will have very little effect on the appearance but will offer a good amount of protection for the stone.
Water Based Sealer Matt (WB25)
Drew Palin