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Shower Waterproofing

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Waterproofing and Flood Test questions

So we fixed our mudpan with your suggestions (yay!) and have now put the sheet membrane on the floor as well as the corners, niche, curb, and window. We are also going to paint liquid hydroban on all surfaces as well. I have a few questions:


  1. do we need to do anything special to the drain for the flood test? I got a little inflatable plug but I wasn't sure if we needed to do anything to the edges of the drain.


2. Do we need to wait 24hrs after the 2nd hydroban coat to do the flood test? I read the instructions for the hydroban and it says 2hrs for 70deg and 50%RH, but I want to make sure. We keep the house at 70deg and are nowhere near 50% humidity.



Here's some updated pics with the sheet membrane. I did end up using Flofx and Kerdi because I didn't order enough Flofx and we are on a strict time line 🤦‍♀️ let me know if you see anything majorly wrong. I also realize I have some thinset crumbles I have to clean up before the hydroban.






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Jim
Jim
Mar 31, 2024

Looks great.

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