There's no minimum tile size restriction in a Kerdi shower install. The fabric spreads the load so, once cured, they stay in place. The Wedi panel's outer layer needs the stronger bond of epoxy to handle smaller tile, otherwise, a point load can move a tile, making it come loose as the foam compresses.
__________________
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.
|