I love doing things with plywood, but I would not do this. Regardless of how much poly you put on this, eventually, water WILL find a way into that wood. And when it does, this whole thing will be ruined. I also have concerns about that toilet. The flex-duct style drain seems like it would be extremely prone to clogging. Hopefully, I'm wrong. It all looks nice though.
With the coats of polyester resin I think it's gonna be fine. That shits used for cure in place piping and waterproofing of things that can't leak ever. That and the automotive resin. It's basically more plastic than wood at this point to be completely honest.
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u/digitalis303 Mar 16 '22
I love doing things with plywood, but I would not do this. Regardless of how much poly you put on this, eventually, water WILL find a way into that wood. And when it does, this whole thing will be ruined. I also have concerns about that toilet. The flex-duct style drain seems like it would be extremely prone to clogging. Hopefully, I'm wrong. It all looks nice though.