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Sealing pavers with efforvescence marks

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Hi all


I've been asked to seal a newly laid driveway, however some of the darker edging concrete pavers have salt marks on them.  If I give them a wash down then seal with Resiblock trade will they reappear after sealing ?


Thanks in advance





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scottish cleaning service

You can clean the salt off and seal but the salt will always be there in the material. Don't know if it will reappear because it would need to breakdown the sealer to come out. I would do a test patch so the customer can make a decision.

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