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Small shop bathroom layout

Brandon_oma#692

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Joined
Apr 20, 2011
Messages
262
Location
North West corner of Illinois
Looking to add a bathroom before winter. Have had a porta john for a week and it has been a godsend. Want real bathroom before winter. Freestanding building will need a small septic. Water is nearby to bring in the building, dig up near the yard hydrant to find it.

Want toilet, sink, shower, and additional sink outside it. Plan to frame up a room along 1 exterior wall or possibly in the corner. Square or rectangle and how to lay it out? Building got full quick so want to keep it small but not too small.

Will also run water a few other places for hose hookups.
 
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BobnCO

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Apr 2, 2023
Messages
199
This is the standard.. 5 x about 7’ - 8’ depending on sink and shower width; you could get down to 6.5’ but feels crowded.IMG_2880.jpeg
 

nadogail

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Joined
Jan 23, 2009
Messages
31,916
Location
Coronado, CA
My shop toilet room, just a closet with a toilet in it, has a Pocket Door, hand washing is done at a repurposed Kitchen Sink in the main room. The pocket door does not need floor space to swing.

Showers are done in the house, not the shop.
 

aggie113

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Joined
Jul 22, 2015
Messages
470
Location
San Antonio, TX
Nix shower, put sink across from toilet, rotate so door hits side of sink. Could do a "shower" by making the whole floor a drain pan and putting a shower head in the corner, but maybe think of it more as an emergency rinse if needed. Can hang a 5gal hot water tank in the corner ceiling. Rectangle better than square.

1781036331145.png
 

Jeff Ivers

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Joined
Apr 9, 2010
Messages
2,555
Location
Oklahoma
This is the standard.. 5 x about 7’ - 8’ depending on sink and shower width; you could get down to 6.5’ but feels crowded.IMG_2880.jpeg
If you take the diagram to the left above, and move the door and sink to the center and the toilet to the left, that would be the layout I designed for my shop.
bathroom 1.JPG
Inside dimensions are 47" by 88".
 

That Guy Scott

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Joined
Dec 31, 2010
Messages
139
Location
SoCal
I say ditch the shower. It doesn’t seem to get used much. I did an outdoor shower (I’m in SoCal) and it rarely gets used much other than for the dog or a pool shower. I put a 3 bay stainless sink outside, near the shower. It gets used a lot.


IMG_3051.jpeg
IMG_3561.jpeg
 

thammel

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Joined
Oct 3, 2005
Messages
2,239
Location
Maryland
I like your layout on the left. And definitely keep the shower!! I didn't put in a shower and I regret it!!!
 

OccupantRJ

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Joined
May 15, 2009
Messages
10,968
Location
Eastern North Carolina
As far as a septic tank I buried a Liberty sewage grinder pump tank setup and it pumps to the house septic tank 100 feet away through a 2” pvc pipe. I have been very satisfied with it.
 

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Dig Doug

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Joined
Apr 16, 2018
Messages
1,094
Swing the door out, it saves some space

I have a corner shower in the garage bathroom - I use it as a floor sink / mop sink most of the time
and I do take showers in it occasionally
 

Codyboy

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Joined
Jan 31, 2019
Messages
1,638
Location
S.E. TEXAS
My vote is toilet and shower only in the WC and sink on the shop side of the wall and an outswing door.
That's how I did mine. That way the sink can be used as a shop sink.

The challenge OP will be the septic. It can be DIY with a barrel or two for the holding tank(s) and some perforated pipe. Plenty of "how to's" online.
Not sure about the legality of it though and may be dependent on your location.

But they do work just like a real septic.
 
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Jeff Ivers

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Joined
Apr 9, 2010
Messages
2,555
Location
Oklahoma
How many of you saying to nix the shower have fire extinguishers in your shop? Are they used often? A shower in the shop is like a fire extinguisher - it is a safety feature that may not get used much but will be essential when you get a bad chemical on you and need to get it off quickly - without taking the time to go to a separate building and wade through areas you would prefer to not drip chemicals on.
 
OP
B

Brandon_oma#692

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Joined
Apr 20, 2011
Messages
262
Location
North West corner of Illinois
Shower has a few reasons.

Available for use during future house bathroom remodel.
Available for relative that cannot get into the tub very well.
Available for me whenever I want it.

I would like to redo my main bathroom in the house. It was a small half bath in the corner of the open dining room/kitchen that was bumped out into the garage to add a shower before we bought the place. Inswing door with poor layout. The door from the house to the garage is right next to the bathroom wall so the door has to move to make the bathroom bigger. On the other side of the house to garage door on the garage side is actually the laundry room. So if the bathroom grows the laundry shrinks. Since this will not be a 1 day project the shop shower will be nice.

Quick house bathroom sketch not to exact scale. Plan is to make room for a bigger shower and be able to walk back out without your leg rubbing the toilet while the doorknob hits you in the side.

1781108936574.png


Relative with declining health. Did not think they would be here for last Christmas. Temporary option for them.


For me. I work in the shop late 2 nights a week usually and when I go to the hose the dogs get up and all excited if I do not get into bed quick enough. Between me taking a shower and them running back and forth from the bedroom to bathroom door the wife gets woken up and pissed off. Quick shower in the shop then straight to bed once walking in the house. no barking dogs and pissed off wife at 2 am. Also would be good to use before hopping in the pool on the weekends instead of going down to the house.
 

Higgins

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Joined
Dec 25, 2009
Messages
1,931
Location
Shepheardsville, KY
Looking to add a bathroom before winter. Have had a porta john for a week and it has been a godsend. Want real bathroom before winter. Freestanding building will need a small septic. Water is nearby to bring in the building, dig up near the yard hydrant to find it.

Want toilet, sink, shower, and additional sink outside it. Plan to frame up a room along 1 exterior wall or possibly in the corner. Square or rectangle and how to lay it out? Building got full quick so want to keep it small but not too small.

Will also run water a few other places for hose hookups.
A car and RV guy found a self-contained unit that was use in a large RV. Built platform, secured unit to wall and pluming. Was done in a day!!
 

OccupantRJ

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Joined
May 15, 2009
Messages
10,968
Location
Eastern North Carolina
That's how I did mine. That way the sink can be used as a shop sink.

The challenge OP will be the septic. It can be DIY with a barrel or two for the holding tank(s) and some perforated pipe. Plenty of "how to's" online.
Not sure about the legality of it though and may be dependent on your location.

But they do work just like a real septic.
I made a single barrel tank setup for my previous shop and it was still performing well after 40 years. This time I went with the Liberty unit because I am in a more public area.
 

captain14

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Joined
Dec 19, 2012
Messages
7,023
Location
Near College Park Maryland 20740
Shower has a few reasons.

Available for use during future house bathroom remodel.
Available for relative that cannot get into the tub very well.
Available for me whenever I want it.

I would like to redo my main bathroom in the house.
It’s your shop, do what you want.

So much easier to clean up in your shop and keep the noise down in the house.

Easier to put it in now than later.
 

Jgaz

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Joined
Dec 16, 2016
Messages
1,637
Location
AZ
Keep the shower. I would use the plan on the right with the door swinging against an unused wall.
Make the bath vanity or cabinet as large as possible to allow storage of cleaning supplies that are used in other places in the shop besides the bathroom
 

Steve W.

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Joined
Mar 27, 2019
Messages
1,244
Location
Southwest oHIo
I went without the shower. Room is just a touch under 5x5. Main reason for no shower is that I had heard that if there is a shower, the inspector will look more critically at other stuff, thinking it might be a habitable area, possibly for renting out. Secondary reason (might actually be the primary one) is that I simply did not have any extra room to spare.

Here is looking in the door. Past the wall that is across from the door is the compressor closet, which is under the stairs.
On the wall above the toilet is the water heater. No need to be large, it only does two sinks, virtually never both at the same time.
IMG_0995.JPG


On the other side of the right wall is the shop sink, so plumbing is easy, it's all in one wall.
Short counter top over my rag bins, and the small parts washer.
Also a cabinet scavenged from a hospital (no longer permitted, courtesy of HIPAA) and a whiteboard.
The door beyond the whiteboard opens to the compressor closet under the stairs.
IMG_1108.JPG

.
 

bluedog225

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Joined
Jan 31, 2012
Messages
3,255
Location
Texas
Maybe mentioned above, but make sure room for wheelchair access.

will come in handy for walker, cane, after hip replacement, etc.

and studs for safety bars.
 

Craig Balzer

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Joined
Sep 21, 2005
Messages
859
Location
Colorado Springs
I have a full bath in my shop (exterior dimensions = 8' x 8'): toilet, sink, and shower.
I hadn't used the shower stall even oce in the 5 years I've been fussing in my shop -- -- until the boiler died in my house and it took three days t source and install its replacement. THEN I was V-E-R-Y GLAD to have a shower in my shop.
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On the other side of wall on which the bathroom sink is installed, I have a 2'x3' janitor's sink
1781139252445.jpeg
 
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