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Unread 04-20-2021, 11:44 AM   #7
cx
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Join Date: Jul 2001
Location: Boerne, Texas
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Well, you can do that, I suppose, but that gets you the downsides of using a direct bonded waterproofing membrane on your shower walls and keeps you from having the advantage of more time to work your wall mud. I just don't think, as once I did, that there is any advantage at all to using a waterproofing membrane over mud walls. Mud over roofing felt is about as good as it gets from a building science and tile standpoint in my view.

But they ain't my mud walls, eh?
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