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Sealing pavers with efforvescence marks

Adman

Active member
Messages
328
Location
Worcestershire
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

Ad

 
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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