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Old 03-24-2013, 10:48 AM   #1
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When installing new tub drain is it supposed to be flush with the floor?


Im trying to put in a new tub drain. I noticed the old one was just a little above flush with the surrounding concrete slab. So Im wondering is it supposed to be flush or a little above the surrounding floor?

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Old 03-24-2013, 12:03 PM   #2
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When installing new tub drain is it supposed to be flush with the floor?


Frankly I have no idea what you are talking about. How has a tub drain got anything to do with the concrete floor? Maybe its me.

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Old 03-24-2013, 12:11 PM   #3
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When installing new tub drain is it supposed to be flush with the floor?


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Frankly I have no idea what you are talking about. How has a tub drain got anything to do with the concrete floor? Maybe its me.
Well if your floor is concrete and your drain comes up through the floor...
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Old 03-24-2013, 12:18 PM   #4
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When installing new tub drain is it supposed to be flush with the floor?


Tub bases are different heights above the floor. You need to set the tub first
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Old 03-24-2013, 12:25 PM   #5
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When installing new tub drain is it supposed to be flush with the floor?


OK, I see now. Turn the tub over. Place a straight edge across the bottom of the tub where it sits on the floor, then measure the distance from the straight edge to the drain opening. That's the height the drain flange has to be above the floor.
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Old 03-24-2013, 01:26 PM   #6
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When installing new tub drain is it supposed to be flush with the floor?


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Tub bases are different heights above the floor. You need to set the tub first

Theres no access panel and no way to make one.
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Old 03-24-2013, 01:33 PM   #7
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When installing new tub drain is it supposed to be flush with the floor?


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OK, I see now. Turn the tub over. Place a straight edge across the bottom of the tub where it sits on the floor, then measure the distance from the straight edge to the drain opening. That's the height the drain flange has to be above the floor.

Thanks. I gave that a try and it gave me something I can go off. The tub skirt is almost flush with the drain. Im guessing with the rubber gasket it would make everything go together with the drain pipe being mounted flush with the slab.

This has turned into a big PITA for 3 reasons. The pipe coming up from the floor is off center and the old drain didnt work because the holes for the overflow and drain on the new tub are in different places than the old tub. And 3rd theres no access panel and no way to make one.
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Old 03-24-2013, 01:37 PM   #8
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When installing new tub drain is it supposed to be flush with the floor?


Sounds like a real pain all right. Keep dry fitting the pipes and dropping the tub down to check, repeat, do it again, well you got the idea...
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Old 03-24-2013, 02:01 PM   #9
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When installing new tub drain is it supposed to be flush with the floor?


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Frankly I have no idea what you are talking about. How has a tub drain got anything to do with the concrete floor? Maybe its me.
I was just looking at the packaging for the drain kit, the part I was talking about being flush or not with the slab is called a "drain shoe".

And it looks like the actual drain fitting, the chrome/metal piece you screw down into the waste shoe, is called a "roller ball"? That sounds weird.

Now is the gasket for the "roller ball" and waste shoe supposed to be between the roller ball and the tub or between the tub and the waste shoe? Im thinking between the tub and waste shoe and put plumbers putty between the roller ball and tub.
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Old 03-24-2013, 02:04 PM   #10
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When installing new tub drain is it supposed to be flush with the floor?


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Sounds like a real pain all right. Keep dry fitting the pipes and dropping the tub down to check, repeat, do it again, well you got the idea...

Ya, thats what Ive been doing. Real fun moving a tub around by yourself in a tiny bathroom. Its not thaaat heavy, its the size combined with the weight that gets ya.

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Old 03-24-2013, 02:08 PM   #11
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When installing new tub drain is it supposed to be flush with the floor?


All you have to do is place the tub upright on a flat surface. WIth a magic marker circle the drainlocation on the flat surface. (Cardboard on the garage floor?) Now, keeping the tub in that position go to the back of the tub and plumb down in two locations along the back with a level and mark on the flat surface, the further apart, the better. Then plumb down along the side of the tub on the drain end on two points. Move the tub. Snap a chalk line crossing the two points on the side and back. Now with a framing square, square off those lines to the center of the drain. That will tell you the exact center of your drain, square to those two walls. Adjust your plumbing to line up.
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Old 03-24-2013, 05:25 PM   #12
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When installing new tub drain is it supposed to be flush with the floor?


A solvent weld drain set might make your job easier----is this what you have?

Drain shoe--over flow and a T--designed for standard PVC pipe to join them?
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Old 03-24-2013, 07:42 PM   #13
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When installing new tub drain is it supposed to be flush with the floor?


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A solvent weld drain set might make your job easier----is this what you have?

Drain shoe--over flow and a T--designed for standard PVC pipe to join them?
That sounds like what I have. Bunch of pieces in a bag, cut them to size and glue.
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Old 03-25-2013, 09:27 AM   #14
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When installing new tub drain is it supposed to be flush with the floor?


Normally what I do is fit the waste / overflow to the tub while the tub is not in place, and glue it all together.

After that it's just a matter of getting a measurement on where the lower shoe is supposed to line up at.


Here's a question for you : Are you trying to put a new tub and new drain assembly on an already existing p-trap? You may need to remove the p-trap and swing it to a different position in order to get your assembly to fit.

Here's a tip : We get the kits with all the pieces of pipe in them too. The longest one is never long enough. Grab a couple of couplings in case you make something too short you don't have to throw away the pieces of your kit.
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Old 03-25-2013, 04:58 PM   #15
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When installing new tub drain is it supposed to be flush with the floor?


After much pain, anguish and suffering I think I got it. Knock on wood. I havent glued it together yet though. You wouldnt believe how many cuts I made to get to where Im at.

With this part of the job behind me, hopefully, Im left wondering, why does Stanley make their miter boxes out of plastic? As well as, why did the people who built my house not design in access panels to plumbing and actually design it to where as theres no way you could add them? My next question is why cant I be rich so I could pay other people to do this stuff for me? >.<

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