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Unread 10-12-2020, 09:04 PM   #4
cx
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Join Date: Jul 2001
Location: Boerne, Texas
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Yes and yes. I generally recommend a half-inch or so above the pan liner, but a quarter-inch will be fine. Keep in mind that the final mud bed must be a minimum of 1 1/2" thick, so a larger gap below the wallboard is not a problem.

My opinion; worth price charged.
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