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Shower remodel question... shower fixtures/plumbing in exterior wall?

Posted on 2/18/19 at 8:21 am
Posted by meeple
Carcassonne
Member since May 2011
9377 posts
Posted on 2/18/19 at 8:21 am
We're about to remodel a master bathroom. Is it against code, or just something that is not done at all costs, to put shower fixtures in an exterior wall (we're in S. La)? Even if we build out the wall some extra space to add more insulation, is accessing the area in the future an issue in the event of problems to fix the plumbing?

The only other option is to put the shower heads (rain head and wand combo) on the only other interior wall, but the issue here may be that there is only about 3'8" of width to a half wall/glass across from it. If this isn't really an issue and there is enough room to have a shower head placed here (I'm more concerned about the spray from the angled stream when the wand is docked), then this may be fine as well.

Will probably be putting it up for sale some time in the future so we want to get this right.
Posted by tygerfan1
Member since Aug 2008
2275 posts
Posted on 2/18/19 at 8:24 am to
At least part of it is access
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41627 posts
Posted on 2/18/19 at 8:24 am to
quote:

Will probably be putting it up for sale some time in the future

Either don't remodel the master bathroom OR get a professional to do this. Do you feel like having to tear it out and start over or take $20,000 off the sale price at the last minute?

ETA: I'm no pro but I'd imagine you'd need a damn good insulation job around those fixtures in an exterior wall to prevent freezing. 10-15 degree temperatures don't occur here in BR often but when they do, I'd imagine that they'd freeze your plumbing in an exterior wall like that.
This post was edited on 2/18/19 at 8:26 am
Posted by CoachChappy
Member since May 2013
32551 posts
Posted on 2/18/19 at 8:31 am to
quote:

The only other option is to put the shower heads (rain head and wand combo) on the only other interior wall, but the issue here may be that there is only about 3'8" of width to a half wall/glass across from it.


We had a similar issue.

Run the water line up through the wall into the ceiling. Place a diversion valve in the interior wall along with a companion wand.

So, you have water on/off with a hot water lever (all one piece)- Diversion valve- Wand- Rain fixture in ceiling.
Posted by baldona
Florida
Member since Feb 2016
20479 posts
Posted on 2/18/19 at 8:32 am to
I’m all for diy but you need to get a licensed plumber involved here at least for an hour of their time for their consultation.
Posted by meeple
Carcassonne
Member since May 2011
9377 posts
Posted on 2/18/19 at 8:35 am to
quote:

Place a diversion valve in the interior wall along with a companion wand.

My concern here is that there is not enough comfortable distance for the want portion of the spray with only 3'8" to the opposing wall. The shower will be about 5' wide in the other direction (exterior wall to door).
Posted by meeple
Carcassonne
Member since May 2011
9377 posts
Posted on 2/18/19 at 8:37 am to
quote:

I’m all for diy but you need to get a licensed plumber involved here at least for an hour of their time for their consultation.


We have a plumber and he didn't suggest putting in the exterior. Was just looking for options.

My questions/concerns are really directed to the distance from from the interior wall where the spray head (wand) would be located to the opposite wall (half wall/glass).
Posted by Flashback
reading the chicken bones
Member since Apr 2008
8315 posts
Posted on 2/18/19 at 8:44 am to
Putting shower or tub faucets on a exterior wall should be made illegal. It is a lot more expensive to fix them, b/c it is usually impossible to access them from the rear.
Posted by CoachChappy
Member since May 2013
32551 posts
Posted on 2/18/19 at 8:45 am to
quote:

My concern here is that there is not enough comfortable distance for the want portion of the spray with only 3'8" to the opposing wall.

It'll be fine. 3'8" is bigger than you think once it's all walled in. Also, the wand sits on a little dock and can be turned if it is spraying out the shower.
Posted by soccerfüt
Location: A Series of Tubes
Member since May 2013
65714 posts
Posted on 2/18/19 at 8:46 am to
quote:

We're about to remodel a master bathroom.
Slight diversion but you'll thank me later:

If you can easily do so, install a master shutoff valve for the entire bathroom's water supply.

At least one for the entire bathroom's Cold water supply.

The Hot supply is fairly easily-accessed on the downside of the water heater.

I've done this on all my bathroom renovations and I've found it to be quite handy later.

It's code in Germany (at least in some municipalities), that's where I first saw it used.

It allows you to not have to shut off the entire house's water supply while working on an issue in the specific bathroom.
Posted by jbgleason
Bailed out of BTR to God's Country
Member since Mar 2012
18911 posts
Posted on 2/18/19 at 8:52 am to
If you are in Baton Rouge, it is against Code to put it in an outside wall. So you can base your decision on that if you want to be within Code.

Just finished a master bath Reno for the inevitable OT experts who come in here to say it is fine. It isn’t.
Posted by meeple
Carcassonne
Member since May 2011
9377 posts
Posted on 2/18/19 at 8:54 am to
quote:

it is against Code to put it in an outside wall.

Ok thanks. How about your opinion on the distance from the shower head to the opposite wall of 3'8"? The other dimension of the shower is around 5' (exterior wall to glass door)
Posted by landmanner
Louisiana
Member since May 2006
3199 posts
Posted on 2/18/19 at 8:56 am to
Just remodeled a shower. If you put it on the exterior wall and are tiling the shower, save a bunch of tile and grout if you ever need access.
Posted by jbgleason
Bailed out of BTR to God's Country
Member since Mar 2012
18911 posts
Posted on 2/18/19 at 8:57 am to
It’s 3’ 8”. Plenty of room. You don’t want to have to run around in there to get wet.
Posted by pistolpete23
In the present
Member since Dec 2007
7142 posts
Posted on 2/18/19 at 9:05 am to
I don’t think it’s against code.. access would be only concern
Posted by jbgleason
Bailed out of BTR to God's Country
Member since Mar 2012
18911 posts
Posted on 2/18/19 at 9:26 am to
quote:

I don’t think it’s against code..


LoL. There we go.
Posted by lnomm34
Louisiana
Member since Oct 2009
12612 posts
Posted on 2/18/19 at 9:30 am to
We renovated our bathrooms and during that process I was told this was against code. And after I thought about it, it made sense. I just did a quick search and couldn't locate the specific language in the code, but even if it isn't against code, the impracticalities of installing the valve inside of an exterior wall noted in this thread are enough reason to avoid it.

Figure out another location.
Posted by baldona
Florida
Member since Feb 2016
20479 posts
Posted on 2/18/19 at 9:43 am to
To be fair, you guys are assuming the exterior wall would be difficult to access. You could add some sort of wall panel if the exterior is somewhere no one would ever see like the side of your house or there is a bush in front of it. Then it would be incredibly easy to access.

Given that, I still probably wouldn't do it.

ETA: There are also options for you OP like to have a sprayer that has internal water line that is connected somewhere else but mounted to your exterior wall. You could have the valves all be on the interior, but the sprayer on the exterior.
This post was edited on 2/18/19 at 9:47 am
Posted by CAD703X
Liberty Island
Member since Jul 2008
78101 posts
Posted on 2/18/19 at 9:54 am to
quote:

Just remodeled a shower. If you put it on the exterior wall and are tiling the shower, save a bunch of tile and grout if you ever need access

Would love to pick your brain. I just demoed my entire bathroom including the floor (leak under wall created water damage all over and just happened to find it rooting around in the crawl space.) Since the entire bathroom was tile from the early 1990s I didn't even bother trying to save anything.

We are looking at different flooring options..I don't think we're going with tile but looking to tile walls to the ceiling and debating free standing soaker tub vs shower/tub combo
Posted by pistolpete23
In the present
Member since Dec 2007
7142 posts
Posted on 2/18/19 at 9:57 am to
quote:

LoL. There we go.


Is it against code to have plumbing in exterior walls? If so you’ve got a lot of houses in S. La. with code violations...


eta ... I see where you posted it is.... codes must have changed over the years as there are a lot of houses in EBRP with kitchen sinks bathroom vanities tubs and showers with plumbing in exterior walls....

I’m looking at a set of plans on a house in BR I did the engineered floor system for that’s in the framing stage right now and it’s got plumbing all over the place in the exterior walls...
This post was edited on 2/18/19 at 10:40 am
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