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ChrisDIY 01-09-2013 09:55 PM


I need help on how to tile the ceiling of our shower. If the ceiling was going to be flat if would be a no brainer. The current rough ceiling has already been dropped to 97". The finished shower ceiling needs to be 84" from the finished shower floor. The shower dimensions are 60" x 66" However, my design calls for the 84" height to be roughly 40" x 44". This will leave a 12" ish deep channel that I want to put in waterproof LED lights.

Is there any special way this has to be framed to support the weight of the wood, cement board, mortar, shower head and tile?
I wanted initially to put the waterproof LED strips on the horizontal surface at the bottom (top) of the channel. I just think this would be visibly unattractive although you'd have to look up in there. This could be minimized by making channel narrower, but how would I attach cement board? 90 drill? (Excuse to buy new tool, cheesy grin...) Is there any way to place light strips on vertical surface and hide using some sort of lip?

I can't think of any way to tile this lip that won't leave an exposed cement board edge or mortar edge. I also have to look at the amount of lumens from the light strips, may not get enough illumination by trying to reflect the light (vertical installation) vs. direct (horizontal installation). Vision in my mind is wall would "glow" from reflected light. Entire shower is white polished tile, maybe 6 x 6.

This is bound to be the hardest part of my entire house remodel. Custom shower pan and this ceiling. Increase of a single ceiling /wall interface to caulk now have two...


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ChrisDIY 01-10-2013 12:48 PM

1 Attachment(s)
Here is a rough idea of what I am talking about

joecaption 01-10-2013 12:56 PM

Really big mistake to try and frame a ceiling in a show that way.
Moisture is going to be traped in those high areas.
Just make it a flat ceiling.

ChrisDIY 01-10-2013 03:30 PM

Part of the reason is I cannot find any decent waterproof lights. LED lights strips on a flat ceiling will look even worse. Even with 6 mil vapor barrier, and water membrane still an issue? Trapped moisture will lead to; grout failure? Mortar failure?

Without any light this shower will look like a cave. Only opening is a 36" x 80" door soon to get a curb.

joecaption 01-10-2013 05:43 PM

Here's a few dozen of them.

ChrisDIY 01-10-2013 08:35 PM

Oops, sorry this shower will have steam generator. Have the flu right now, man I could use it...

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oh'mike 01-11-2013 05:50 AM

Here is one more thing to do---steam shower ceilings need a sleight pitch--if not the stream will condense on the ceiling and drip cold water drops on the bather--not pleasant.

joecaption 01-11-2013 08:35 AM

Good point, it needs to be pitched with the high side toward the main bathroom.

ChrisDIY 01-11-2013 09:29 AM

So if I make the channel as long as it is all pitched towards the bathroom it should work? Back channel pitched in two directions, sides pitched towards bathroom, last channel pitched towards wall? Lowered section has to be level due to the shower head or maybe 1/4 bubble.

Converting an old closet into a steam shower is a lot harder than thought but still achievable!

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joecaption 01-11-2013 09:41 AM

Those reccessed area will still always be an issue.
There's always going to be moisture trapped in that area that will cause issues with keeping paint stuck and will be a night mare to try and finish off.

oh'mike 01-11-2013 09:54 AM

I usually pitch the ceiling to the back wall--the pitch need not be great--the upper portions of that ceiling should also be pitched---cold drips are very irritating.

ChrisDIY 01-11-2013 03:03 PM

I was planning on tiling all surfaces even ceiling

oh'mike 01-11-2013 04:23 PM

Even with the pitched ceiling and the added detail--you will be able to do that tile and make it look good---high ceiling first--then walls and soffit sides--last--the bottom of the soffit---

oh'mike 01-12-2013 06:36 AM

Be sure to ass studs and blocking for the air tight doors---they are heavy double studs minimum for the doors---blocking on the flat for the ceiling---

ChrisDIY 01-13-2013 01:14 AM

1 Attachment(s)
Found and started reading Laticrete's Steam shower design. How closely should I follow their diagram? Seems really tough and a waste of silicone to run bead 1/2" thick under pan where cement board rests, also how do you create the groove that the flexible foam backer rod is inserted? Seems to me this is "creating" a spot where water would pool? Can I skip both these features?

Attachment 63603

Most other shower pan instructions don't have all these parts.

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