W Wally1932 - Sep 10, 2021 #1 What's your tiling question? Pictures can be added.hi a customer has put a Hg 14 sealer on Porcelain Slabs outside and they have now got terrible white patches on them we used Hg 20 to try to remove . No joy any suggestions please.
What's your tiling question? Pictures can be added.hi a customer has put a Hg 14 sealer on Porcelain Slabs outside and they have now got terrible white patches on them we used Hg 20 to try to remove . No joy any suggestions please.