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Unread 04-14-2010, 02:58 PM   #12
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Join Date: Jul 2001
Location: Boerne, Texas
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Not at all sure why you'd want RedGard there, Eric. But while we're waiting and talking, it's a good eye-dee to cover that floor with poly so it stays damp as it cures.

Is that a piece of 4" pipe or a 4" pipe coupling you have there for a form? If pipe, you gotta git it outa there before the concrete sets up too much to remove it.

You're now committed to building a mud floor for the Kerdi shower?

If you did that patch correctly, you shouldn't have any trouble with it "shifting" at all. What sorta mix did you use for the patch? You dowel into the old concrete at all? You did/did not paint the old edges with some thinset mortar before pouring the patch?

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