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TaiwanGuy 09-24-2013 12:01 PM

Installing a Roman bath, inside a shower
Everyone says to NOT attempt a Roman bath as a first time tile project, and if I were sane, then I'd follow that advice. But sanity was never a strong point for me, so I wanted to ask you guys about this.

We live in Taiwan (I'm American) and just purchased a new house. They have tile showers but no baths and my wife wants a bath.

Given that the Roman bath would be built in the existing shower, I would think that waterproofing would be less of a concern. I'm considering building a wood frame in the rather large shower area. I'd like to use cement for the bottom, with pebbles embedded in the cement, and then tile the sides.

I need to see what kind of membrane they sell locally.

The tub wouldn't need to be plumbed in. The water in would come from the flexible shower hose and the outlet would be on the side, allowing the water to drain onto the shower floor and then down the shower drain.

Backup plan is to buy a tub here that just sits in and also doesn't get plumbed in.

I've got more free time than sense, so I don't mind playing around with it to get it right.


broox 09-24-2013 03:10 PM

The first thing that pops into my mind, if I understand you right, is there is going to be a fairly enclosed/dark/super moist area under your tub. MOLD??? Maybe you can deal with that possibility, but that sounds like a bad idea to me.

TaiwanGuy 09-25-2013 12:25 AM

It should be completely sealed, though. If things are done right, then no water should get under the tub.

Blondesense 09-25-2013 10:56 AM

You plan on framing it out in wood, then CBU, then waterproofing, then tile?

Keep in mind that water weights, what... 8 pounds per gallon? Times how many gallons? That is a lot of pressure on your framing!

It might work, but it might collapse or develop leaks that would rot out the structure and mess up your shower.

I think this would require a bit more research on how strong this would have to be.

Ghostmaker 09-25-2013 06:04 PM

Just use an Acrylic claw foot tub.

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