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Old 05-28-2019, 10:27 AM   #16
jadnashua
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

 
Join Date: Jul 2004
Location: Nashua, NH
Posts: 12,941
Most homes flex with the seasons as temperatures and humidity levels cause things to move. All of that is concentrated at those changes of plain. Grout might work, might not. An engineered profile joint works, too.
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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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