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Old 07-04-2005, 11:22 AM   #5
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

Join Date: Jul 2004
Location: Nashua, NH
Posts: 12,357
Mist the cbu, not the thinset...the dry cbu sucks moisture out of the thinset. Don't put down more than you can cover in 10 minutes or so. Mix it a little wet, but still hold ridges. Unless you get a special thinset, tile will sag on a wall. Block that first row up well, then use spacers for the rest. Mastic actually works a little better in this case, but with some tile, may take weeks to actually dry and it will turn to mush if it gets wet again. My unprofessional experience.
Jim DeBruycker
Not a pro, multiple Schluter Workshops (Schluterville and 2013 and 2014 at Schluter Headquarters), Mapei Training 2014, Laticrete Workshop 2014, Custom Building Products Workshop 2015, and Longtime Forum Participant.
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