Submitted by jaaassshhh t3_125p5ea in DIY
yanman t1_je5s3o7 wrote
Reply to comment by jaaassshhh in concrete shower pan with corner bench -- but forgot to build bench. what to do? by jaaassshhh
Not the plumber, but for one you have screws into the backer board very close to the floor. They probably go through the liner which is a big no-no.
You also have screws through the top of the curb which definitely go through the liner. Again, big bad.
If this were my shower, I would look at wrapping the whole thing in a membrane like Kerdi. You can also incorporate you bench this way as well. The one thing I don't know (and hopefully the plumber will return to answer), is if you can bond the Kerdi membrane to the PVC pan liner. Google says Kerdi-fix will do the trick, but I'd do more research if it were me.
Here's a great 15 minute video on how to completely waterproof your shower: https://www.youtube.com/watch?v=9hPMWc22oK8
PS. get that gravel off of the liner before someone steps on it and pokes a hole.
vivamario t1_je67tjk wrote
You would put the waterproof membrane on top of the mortar bed after that is poured, if you were worried about the integrity of the shower pan, not directly on the shower pan.
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