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Shower Waterproofing

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Kerdi Board Issues

I have 3 issues I'm trying to come up with the best solutions for.

  1. I have 1/2-inch gaps in the corners where my kerdi boards should meet. Would kerdi fix and inserting 1/2 inch pieces of board work?

  2. I have gaps where the kerdi board meets the drywall ceiling also. How should I waterproof these?

  3. My drywall isn't in place yet but it won't be sitting flush with the kerdi when it is. Is kerdi band enough to waterproof the edges? Or do I need to apply more kerdi board along the side and water proof that?

Are these fixable or are they serious waterproofing risks that need redoing? Thank you for any input.




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Naomi M
Naomi M
Dec 07, 2023

YESSSS!! Thank You Larry! Was prepping myself for worst case scenario but I really needed a second opinion.

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