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Old 01-13-2019, 03:23 PM   #16
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


Gotcha. Seems like a good amount of dead space
Is that standard practice in my situation? It would certainly make the overall project a lot easier. In the absence of a realistic way to avoid dead space, this seems like a simple solution.
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Old 01-13-2019, 03:35 PM   #17
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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Originally Posted by gslenk View Post
Gotcha. Seems like a good amount of dead space
Is that standard practice in my situation? It would certainly make the overall project a lot easier. In the absence of a realistic way to avoid dead space, this seems like a simple solution.
It happens all the time, if it was bigger you would slip in a closet.


If you are doing a tile tub surround you can build a niche in that wall for shampoo.
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Old 01-13-2019, 04:03 PM   #18
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


I think this works pretty well. Could probably sneak in some tough to access shelving/storage in the tub's dead space on both sides (50/50 split for bathroom/laundry room) or just leave it dead for access to shower plumbing via a access panel in the laundry room.

Space is 21", minus framing, so about 14" of "useable" shelving/closet space might not be worth it. Above the 50" cinderblock line, there is 4" additional space, so ~18" framing to framing. I guess that can always be decided later.

How does this look? It takes back some of that dead space for the toilet and vanity. Could build in recessed shelving/cabinet above the toilet. And just put a mirror above the vanity, without shelving? Or a non-tacky-looking, non-recessed mirror shelving unit above vanity.
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Old 01-13-2019, 04:40 PM   #19
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


And this is why the shower fixtures are on the toilet side of the shower. I can't run vents in the door's wall since there is a return duct above. Also, the toilet is a little recessed, so it only "interferes" about 14" and there is a little room to get around there.

Very rough plumbing sketch that I think is in the ball park but needs a serious review. That aside...
Left side (laundry) is the utility sink, and stand pipe for the clothes washer.
Far right is the wet bar sink.
Toilet and shower branch together, (possibly use shower to wet vent toilet?).
Lavatory ties into an existing 1.5" sanitary on the stack, but might need to be vented, as the stack won't count, I think. Have to dig through the code book.

Blue lines are drains, red are dry vents. Might have to start a new thread in the plumbing section for the rest.
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Old 01-13-2019, 09:50 PM   #20
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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Originally Posted by gslenk View Post
I think this works pretty well. Could probably sneak in some tough to access shelving/storage in the tub's dead space on both sides (50/50 split for bathroom/laundry room) or just leave it dead for access to shower plumbing via a access panel in the laundry room.

Space is 21", minus framing, so about 14" of "useable" shelving/closet space might not be worth it. Above the 50" cinderblock line, there is 4" additional space, so ~18" framing to framing. I guess that can always be decided later.

How does this look? It takes back some of that dead space for the toilet and vanity. Could build in recessed shelving/cabinet above the toilet. And just put a mirror above the vanity, without shelving? Or a non-tacky-looking, non-recessed mirror shelving unit above vanity.
Perfect - stop worrying so much about storage, yes it's important but not the end all

Verify that your distances between fixtures and between sink and wall are code and let's build !!!!
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Old 01-13-2019, 09:57 PM   #21
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


We usually drop the ceiling to about 7 ft in a basement bath, then you have room for the vent pipes and bath fan duct with no obstructions.
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Old 01-14-2019, 09:36 AM   #22
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


My region uses 2015 IPC, IBC, and IRC.

Toilet clearances look to be >15" from center to side. (18" in layout) and a 21" in front (30" wide) area.

I don't see any requirements for the bath/shower except a 22" wide clear egress opening.

Looks good to me unless I missed something.
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Old 01-14-2019, 09:53 AM   #23
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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We usually drop the ceiling to about 7 ft in a basement bath, then you have room for the vent pipes and bath fan duct with no obstructions.
I was planning on slightly above 7ft ceilings and keep it simple. Could go as high as 7.5ft to clear existing and new vent plumbing and still allow a fan/duct if I build a chase around the return duct.
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Old 01-14-2019, 12:51 PM   #24
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


36.5"x18.5 or 30"x20.5" vanity? The former leaves 16.5" clearance center to sides on the toilet. The latter leaves 19.5".

I lived just fine in a house with a toilet in a 33" wide space, wall to vanity. This layout would be 33" shower to vanity. Ever curse when "sitting" in either of these sized spaces? Or does it not matter?
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Old 01-14-2019, 01:45 PM   #25
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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Originally Posted by gslenk View Post
My region uses 2015 IPC, IBC, and IRC.

Toilet clearances look to be >15" from center to side. (18" in layout) and a 21" in front (30" wide) area.

I don't see any requirements for the bath/shower except a 22" wide clear egress opening.

Looks good to me unless I missed something.
Center of sink to wall requirement
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Old 01-14-2019, 04:28 PM   #26
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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Center of sink to wall requirement
I found 30" (center to center) between fixtures. Didn't see anything about wall to center of sink. Looks like worst case, 15" by some code books. Nothing in the IPC or IRC that I can find. Either way, both the 30" and 36" sinks meet the 15" to wall requirement, and 30" to center of toilet.

Pedestal and wall hung sinks appearantly require 4" between the edge of the sink and wall. This is "free standing" but still attached to the walls, so should be exempt...
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Old 01-14-2019, 08:03 PM   #27
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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Originally Posted by gslenk View Post
I found 30" (center to center) between fixtures. Didn't see anything about wall to center of sink. Looks like worst case, 15" by some code books. Nothing in the IPC or IRC that I can find. Either way, both the 30" and 36" sinks meet the 15" to wall requirement, and 30" to center of toilet.

Pedestal and wall hung sinks appearantly require 4" between the edge of the sink and wall. This is "free standing" but still attached to the walls, so should be exempt...
You are showing what looks like a one piece tub, if that is your intention, walls are removed to get them in most of the time they are bigger than the door opening.
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Old 01-14-2019, 08:17 PM   #28
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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You are showing what looks like a one piece tub, if that is your intention, walls are removed to get them in most of the time they are bigger than the door opening.
I did consider that early on in the design.
I have french doors at the main entrance, and the hallway leading to the bathroom is 3ft wide, with plenty of space to orient the tub for the trip down the down the hall. Here is my strategy:
Orange outline walls do not exist yet. Use that to get the tub in and build the rest around the tub.
Green outline wall is planned to continue to contain nothing (no electrical/plumbing/etc), just framing and drywall, and built strategically so that drywall and studs 'could' be removed if necessary for a 60+" opening.
In the event I need to replace the tub, the green wall could be opened for a direct replacement of another one piece tub, or the old tub demo-ed, and a 2-3 piece installed, or a tile/tub/shower/etc installed without knocking down the green wall.

This is why the shower controls/drain/vent are all on the toilet side, and not on the green wall side. Ideally the controls/etc would all be on the green wall side.
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Last edited by gslenk; 01-14-2019 at 08:21 PM.
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Old 01-14-2019, 08:28 PM   #29
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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Originally Posted by gslenk View Post
I did consider that early on in the design.
I have french doors at the main entrance, and the hallway leading to the bathroom is 3ft wide, with plenty of space to orient the tub for the trip down the down the hall. Here is my strategy:
Orange outline walls do not exist yet. Use that to get the tub in and build the rest around the tub.
Green outline wall is planned to continue to contain nothing (no electrical/plumbing/etc), just framing and drywall, and built strategically so that drywall and studs 'could' be removed if necessary for a 60+" opening.
In the event I need to replace the tub, the green wall could be opened for a direct replacement of another one piece tub, or the old tub demo-ed, and a 2-3 piece installed, or a tile/tub/shower/etc installed without knocking down the green wall.


This is why the shower controls/drain/vent are all on the toilet side, and not on the green wall side. Ideally the controls/etc would all be on the green wall side.
I just wanted to make sure you had a plan for that.
BTW pick the tub to be used before closing down to 60, I have had to strap a wall for a 59 and notch studs for a 61" All sold as 60 inch tubs.
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Old 01-14-2019, 08:38 PM   #30
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


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I just wanted to make sure you had a plan for that.
BTW pick the tub to be used before closing down to 60, I have had to strap a wall for a 59 and notch studs for a 61" All sold as 60 inch tubs.
Yeah after looking around at these types of tubs, all the feedback about them seemed to indicate exactly that. Hopefully I can try to make whatever I end up with fit a more "standard size".

Its too bad the manufacturers cant just make a tub that simply fits in an X by X by X box, and ship it in said box...

Worst case I design the "Tub box" so it has a few inches on all dimensions. So if a replacement is necessary, slight resizing would be simple and not affect surrounding areas.
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