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Unread 10-12-2020, 08:11 PM   #2
cx
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Join Date: Jul 2001
Location: Boerne, Texas
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Welcome, Diana.

Embedding the CBU in the top layer of deck mud is a good method of securing the bottom of the panel where no mechanical fasteners can be used. Durock is suitable for that application.

If you apply your direct bonded waterproofing membrane to the wallboard prior to placing the deck mud, I recommend you do not coat the bottom edge of the CBU, but only the face.

My opinion; worth price charged.
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