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Shower Waterproofing

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Mr. EMr. E

3M 5200 sealant?

Just watched a video "Sealant Instead of Thinset 7 Day Test" Kerdi Fix looks like 3M 5200. We use 3M 5200 to install underwater thru hulls on our boat. It is nicked name 3M forever. Flexible and next to impossible to remove. I'm wondering if it would work to seal banding, corner patches and membranes. Maybe the Coach could test it? They have a quick set version.

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BrandonBrandon

waterproofing overlap

Curious.. how is this handled.. 3 layers overlapped here. creates a bit of a lump. down on the bottom where meets the pan.. same thing.

Just a bit of extra mud layer?


In hindsight.. at least at the bottom I would have notched out the backer a bit.


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Anthony Radon
Anthony Radon

Guidance

Hey hey, everyone, looking for some guidance. This has a few parts to it so please bear with me. I’m putting in a shower in my basement. There was no bathroom or anything before. Plumbing has been roughed in. I was in a time crunch (thanks to my better half) so I hired guys for drywall, I went out of town when they worked. Came back and was pissed. I told them cement board for shower, they used green board. Green board already mudded, primed and painted the color of   the bathroom. No way am I taking it all out. Should I put up cement board over it or would a coat of red guard suffice before I tile?

next question is the shower pan. It’s a custom sized shower so I’m going to make the pan. Seeing it’s the basement and a concrete slab do I need to…


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Liquid vs Membrane for new tiler

Hi, I am trying to tile my own shower using the Laticrete Hydro Ban system. I have never tiled before. Current plan: Wall material: Laticrete Hydro Ban Board with sealant at seams and sealant over screw holes Wall Flattening: Built with Foam Shims to plumb walls Wall tile: 24" x 12" light grey marble tiles Floor tile: White marble basket weave mosaic (1"x2" and 3/8"x"3/8) Curb: Laticrete Hydroban shower curbs (white foam like a cheap cooler). Pan: Dry packed pan using Laticrete 209, Mortar Lock Ledgers, and FloFX bonding flange I originally planned to use liquid Hydro Ban 1 (single application, troweled on) as the sole waterproofing for the mud pan (e.g. no corner fabric). Since I have never tiled before, I was drawn to liquid Hydro Ban 1 alone since it minimized build up and would make tiling tiny mosaic tiles easier. However, after reading more on this forum, I am concerned that it won't be durable enough. Q: Is liquid Hydro Ban 1 alone a…

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