How to properly waterproof around bathroom plumbing in a bathroom reno, as well as appropriate placement of backer board?
I'm going to redo my bathroom soon, I've been reading and watching tons about how to properly do all the steps and waterproof. It seems pretty clear cut except for two things:
1- how do I ensure the cutouts for my plumbing in the tub are waterproofed? All the videos seem to skip this part, and they don't appear to do anything special, but how can it be waterproofed if you're leaving gaps in the backer board around the plumbing cut outs?
2- do I install the backer board flush on top of the bath lip or over and in front of it? I've seen multiple videos saying to do it one way or the other and I'm not sure which is correct.
Submitted June 10, 2021 at 11:45PM by _an-account
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