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Unread 03-24-2021, 07:26 PM   #10
cx
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Join Date: Jul 2001
Location: Boerne, Texas
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I'm gonna hafta disagree with Jim on that. Per industry standards, the minimum thickness of a mortar bed over a cleavage membrane and metal lath over a wood framed subfloor is 3/4-inch. A reinforced mortar bed requires a minimum of 1 1/4-inch thickness.

The maximum for the mortar bed over lath is 1 1/2 inches; the maximum for the reinforced bed is 2 inches unless thicker sections are specified by an architect.

My opinion; worth price charged.
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