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Unread 10-25-2020, 11:53 AM   #10
tilemanct
Tile & Stone
 
Join Date: Sep 2002
Location: Northeast/Connecticut
Posts: 2,550
Did have an issue with 'micro pores" on a porcelain tile once. It was the haze from the modified thinset that settled into those pores causing it to look terrible in the cross sunlight. You thought it was clean but it wasn't. Had someone come in with a steam rotary brush extraction system and a cleaner that took off the modified thinset latex that settled into the pores. We then took Dry Treat and coated the floor and buffed it out. Solved the issue. When ever I do a matte porcelain tile I always do a release coat of Dry Treat before I set the tiles and one more before grouting. Its a PITA but seems to work.
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Dave

CTEF Certified Installer
I lost my hero on 5-21-16 You will be missed. Semper Fi
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