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Unread 09-06-2017, 03:44 PM   #12
John Bridge
Join Date: Mar 2001
Location: Rosanky, Texas
Posts: 68,421
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Hardi-backer can actually delaminate. I've seen it more than once. And cement backer can pull apart also. That's what Steve means when he talks about the structure of the board. The stuff really needs mechanical fasteners.
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