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Unread 01-16-2019, 08:42 PM   #6
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

Join Date: Jul 2004
Location: Nashua, NH
Posts: 14,075
A properly done mudbed over a wooden subfloor is thick enough to float as a unit, so yes, it is what kept the tile intact.

The most reliable way to add tile back would be to do another mudbed if you can't bring the subfloor up to specs.
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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