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Unread 07-01-2020, 01:01 AM   #1
Ernesto A
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Join Date: Oct 2019
Posts: 6
Kerdi shower pan problem

I need some help. I did all the prep work for my shower. I installed a foam shower pan and overlayed with kerdi membrane. I hired a tile installer and let him know that this is a kerdi foam shower pan install. He used a step ladder on the pan to tile the walls. Now there are multiple depressions on the pan. The membrane appears intact. I need some advice on how to fix. I’m concerned about the integrity of the slope.
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Last edited by Ernesto A; 07-01-2020 at 12:55 PM.
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Unread 07-01-2020, 06:26 AM   #2
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Join Date: Jul 2005
Location: Massachusetts
Posts: 937
If you’re able to get 2” overlap onto original Kerdi (the depression closest to wall looks questionably close), you could fill the divots with thinset (keep a sponge handy to try and keep the surrounding Kerdi as clean as possible), then put a patch of new Kerdi that overlaps the thinset 2” all around.

If you’ve got several divots within a few inches of each other, I’d cut one bigger patch to cover them all, rather than a bunch of smaller patches.
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