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Old 04-16-2010, 05:19 PM   #1
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sloping tile without a dam


I am in the planning stages of tiling a shower floor. I am considering a handicap accessible one. I read somewhere that it must slope 1/4 " for ever 3 and 1/2 inches if you are not going to have a dam. Are there more efficient drains that would accomodate this if I don't have enough room?

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Old 04-16-2010, 07:35 PM   #2
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sloping tile without a dam


why not install the rubber dam along with the new tile?

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Old 04-18-2010, 02:26 PM   #3
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If you aren't able to lower the floor structure to accomodate the necessary slope of 1/4" per foot of distance then you can ramp-up outside the shower so as to allow you to ramp-down inside the shower.
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Old 04-19-2010, 02:13 PM   #4
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Ok, now I'm understanding this dam thing. I thought that was a curb, but I just googled rubber dam. My main goal in this is to have all water run to the drain and never get stuck on the outside of the shower if someone forgets to shut the shower curtain, or whatever. We had a low spot on the outside of the shower and in that area the subfloor has rotted about a foot in diameter, but not the joists. So I'm trying to prevent that water collection problem. I like a continuous slope without a lip to catch and hold water on the outside of the shower. I've had one quote and he's trying to talk me into a pan again, because of leaks. But, honestly, that didn't help us here. Thanks! And thanks for the correction 1/4" per foot helps.
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Old 04-19-2010, 06:44 PM   #5
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"Dam", "curb", same thing.

"Pan", "receptor", same thing.
You still need a "pan" no matter what.

Sounds like you don't understand the terms and that is confusing you.
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Old 04-22-2010, 12:55 AM   #6
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sloping tile without a dam


Yes, I realize I need a pan. In my case it is a rubber liner and mortar. But I don't need a dam as long as I have the correct slope and my liner goes out 2 feet from the shower? Don't worry, I'm going to get someone to do this for me. I'm just working out the details. I really want a curbless shower.
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Old 04-22-2010, 06:23 AM   #7
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This post next door might give you an idea,Quick Drain USA - Channel Drain, a tub to steam shower conversion. - Contractor Talk - Professional Construction and Remodeling Forum

While you are there look in "kitchen and bath" under specialty trades.--Mike--
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Old 04-22-2010, 09:55 PM   #8
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Quote:
But I don't need a dam as long as I have the correct slope and my liner goes out 2 feet from the shower?
Correct! (more or less)
But now what about the liner that is "going out" from the shower. How ya gonna cover that baby?

Depends on what "liner" you use. Sounds to me like this job is a candidate for Schluter KERDI.
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Old 04-29-2010, 02:28 PM   #9
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I like that quick drain system. I don't know if the Kerdi system will go with that. Still researching. I suppose I'm going to have to extend the shower floor out in order to put the liner 2 ft. from the shower. I still want a curbless floor. I'm not giving up yet. Thanks for your responses. I'm going to check out the Kerdi shower book.
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Old 04-29-2010, 05:27 PM   #10
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sloping tile without a dam


The KERDI method is the only way to go these days. That would be your simplest solution.

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