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Old 03-02-2018, 11:17 AM   #1
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Steam shower slope mandatory?


The shower area is 7'8", at the recommended 2"/ft slope, that's a 1.5ft by the time it gets to the other end.

For residential, I'm hearing reading online that it's not a necessity

quote from another thread somewhere
Quote:
it takes roughly 45 minutes for enough water to condense to start dripping, and generally a steam shower is less than that, most recommend 15 to 20 minutes maximum.
This to me is logical.

If it's mandatory for a 2" slope, can I slop in two direction the ceiling from the middle forming an upside down V, and end it with 7" on the other side, that's still a lot (aesthetically) but better than the 14+ inches.

Any thoughts?
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Old 03-02-2018, 12:22 PM   #2
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Re: Steam shower slope mandatory?


My thoughts say that 2 inches per foot is a huge liability issue.

A quick google search says 1/2 inch per foot is plenty.

https://www.google.ca/search?client=...UTF-8&oe=UTF-8
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Old 03-02-2018, 01:13 PM   #3
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Re: Steam shower slope mandatory?


Quote:
Originally Posted by jlhaslip View Post
My thoughts say that 2 inches per foot is a huge liability issue.

A quick google search says 1/2 inch per foot is plenty.

https://www.google.ca/search?client=...UTF-8&oe=UTF-8
Perfect, from end to end I'll do 4" which is basically a half of a 2x4 split in half.

The window is going to look really off.

OTH, can I have the slope ran on the shorter end?

Front to back slope


Side slope

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Old 03-02-2018, 01:28 PM   #4
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Re: Steam shower slope mandatory?


Put it in the middle to minimize the elevation changes.

Calculate the height for the wall farthest away and run a level line around at that elevation so the bottom of the tiles are flat/straight. Otherwise, the bottom row of tiles will need to be angle cut to follow the slope. I have done it both ways and the flat line works/looks best. IMHO. Carry the slope lines to each corner from the drain.
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Old 03-02-2018, 01:38 PM   #5
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Re: Steam shower slope mandatory?


Quote:
Originally Posted by jlhaslip View Post
Put it in the middle to minimize the elevation changes.

Calculate the height for the wall farthest away and run a level line around at that elevation so the bottom of the tiles are flat/straight. Otherwise, the bottom row of tiles will need to be angle cut to follow the slope. I have done it both ways and the flat line works/looks best. IMHO. Carry the slope lines to each corner from the drain.

Just so I'm clear... you mean creating a streight end at the corners then slope down to it?

Also are you recommending short run (1st Photo) vs the long run (2nd Photo)?




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Old 03-02-2018, 01:58 PM   #6
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Re: Steam shower slope mandatory?


OP - you are talking about the ceiling slope of a steam shower, correct?

IMO that all depends on the materials used on ceiling & how badly your
desire is to not have any condensation moisture droplets fall on you...

For example if grout & tile ceiling installed, not sure that any amount of slope
would prevent moisture being trapped in between tile & grout lines & falling.

I would encourage you to at least consider a smooth ceiling & walled enclosure
as it should/will be less cleaning maintenance due to much less grout involved.

If a smooth surface such as cultured marble is installed then yes slope the
ceiling (highest height starting at door) so moisture isn't dropping at entrance.

1/2 - 2"/ft is the max slope needed depending on how high
ceiling is & projected max time/length of steam showers...

best trick (for any shower) IMO is consistently applying Rain-X treatments
on ceiling & shower door & squeegee off ceiling, walls, seating, & door
instead of chemical cleaners that can linger/interact with future showers

A slip resistant floor is a must & the higher the ceiling is, the longer
it could take to heat up room & or the poorer performance may be...

Edit: if you slope ceiling from glass enclosure to opposite wall
the optics for your window should not be a problem...
what type window & size is going in your steam shower?

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Last edited by DR P; 03-02-2018 at 02:08 PM.
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Old 03-02-2018, 05:45 PM   #7
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Re: Steam shower slope mandatory?


@dr

The window is already existing, it's 4'x16"

my ceiling is 8ft high. I get the point of no grout line but we've been inspired by the design below and was hoping our finish product comes out something like that... very bright, probably simple smooth white 12x24 tiles with a bling mosiac running down the middle vertically.

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