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Old 06-20-2011, 10:51 PM   #1
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Toilet rough-in question


I'm moving a toilet to a location that can't quite get 12" center rough in from the wall. My 3" pvc line can get to about 10 1/2" - 11" before it's blocked by an obstruction in the floor.

I see basically every toilet is for a 12" rough in. Is there enough wiggle room to get away with using one of these on a 10 1/2" or 11" rough? Or is 12" pretty exact and wouldn't work?
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Old 06-20-2011, 10:59 PM   #2
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Toilet rough-in question


You can get toilets for 10.5" rough but they cost more. Try google.
A standard toilet needs about 12" rough in minimum. Anything less is a pain or won't fit.
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Old 06-20-2011, 11:06 PM   #3
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Toilet rough-in question


Are there disadvantages to 10" toilets? Do they have the same flush power?

Also, I've seen offset flanges. Would that do anything for me?
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Old 06-20-2011, 11:20 PM   #4
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Toilet rough-in question


10" toilets are basically the same. The bowl is the same and the tank is a little different. IMO, I'd avoid an offset flange if possible. I find them troublesome. The toilet will cost a little more but is no less of a toilet.
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Old 06-20-2011, 11:28 PM   #5
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Toilet rough-in question


Ok, good to know. Thanks. I've also been reading that there are lots of 12" rough toilets that leave a 1"-2" gap to the wall. So maybe when it comes time to install, I'll see if a 12" fits nicely, otherwise return it and go with a 10".
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Old 06-20-2011, 11:50 PM   #6
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Toilet rough-in question


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Originally Posted by docmattman View Post
Ok, good to know. Thanks. I've also been reading that there are lots of 12" rough toilets that leave a 1"-2" gap to the wall. So maybe when it comes time to install, I'll see if a 12" fits nicely, otherwise return it and go with a 10".
Some 12" toilets will fit. I just didn't want to make that recommendation and cause you grief when a particular one wouldn't fit
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Old 06-21-2011, 09:30 AM   #7
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Toilet rough-in question


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Some 12" toilets will fit. I just didn't want to make that recommendation and cause you grief when a particular one wouldn't fit


Seriously though, some of the gaps behind these 12" rough toilets are ridiculous. I had one before that was almost 2" w - t - f ???

Keep in mind that you do have some wiggle room on the flange, and the slots in the toilet, but thats 1/4 - 3/8 at most from front to back.
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Old 06-21-2011, 09:39 AM   #8
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Toilet rough-in question


Ok. I think I'm gonna try the 12" first and see if I can fit it, otherwise I'll go with the 10". I prefer to have as little gap as possible anyway. Thanks guys.
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