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Old 05-10-2014, 04:40 PM   #1
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Min size for TUB drain


Hi all. I am changing around my bathroom and want to flip the way the tub is. Just wondering what the minimum size for the drain I can get away with. I'm going to have to go through 1 joist and want to keep the hole as small as I can.

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Old 05-10-2014, 04:44 PM   #2
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Min size for TUB drain


Showers need a 2" drain.

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Old 05-10-2014, 05:01 PM   #3
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Min size for TUB drain


Depends on the state your reside in and what plumbing code they follow. It also is sized by the amount of shower heads and body showers hand held etc.
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Old 05-10-2014, 06:09 PM   #4
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Min size for TUB drain


Tub drain or shower drain---please clarify--
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Old 05-10-2014, 06:53 PM   #5
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Min size for TUB drain


It would be a tub
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Old 05-10-2014, 07:05 PM   #6
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Min size for TUB drain


Well that's confusing.
First line of your post is minimum size of a shower drain.
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Old 05-10-2014, 07:12 PM   #7
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Min size for TUB drain


Sorry about that, I just call it the shower but it's a tub with a spout and then the shower head up top. Again sorry about the confusion
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Old 05-10-2014, 07:14 PM   #8
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Min size for TUB drain


most tubs require a 1 1/2 drain.....
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Old 05-10-2014, 07:59 PM   #9
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Min size for TUB drain


Fixed the title for you---

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