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Unread 03-21-2008, 09:52 PM   #1
Join Date: Mar 2008
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Question about Kerdi Band

I was wondering how Kerdi can be said to be waterproof, given the method outlined by Schluter for seaming, using unmodified thinset under the Kerdi Band as the adhesive. Can this thinset be waterproof? Wouldn't some sort of epoxy or something be better? I don't doubt the membrane itself is waterproof but how can the thinset be?
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Unread 03-21-2008, 10:09 PM   #2
Brad Denny
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Hi there,
Installed properly, the Band will overlap enough that water couldn't possibly migrate through the thinset.

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Unread 03-22-2008, 12:10 AM   #3
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this is not a swimming pool that will have water 24/7 - it's a shower, fer cryin' out loud.

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Unread 03-22-2008, 06:41 AM   #4
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Hi Crazy Horse, put a first name up there for us, will ya?

Water migration when a Kerdi container is filled is less than 3/8 in. into the seam after a couple weeks. The two-inch overlap provides a screw-up factor.
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