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Unread 10-22-2006, 03:28 PM   #1
mike_b
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Mike's bathroom remodel

Hello all! I've found this site looking for some tiling pointers and I think I might have found the gold mind! It took me a few days to read through Henry's adventure. . . I've ordered the Tile book and have read the e-book. I'm going Kerdi with a mud base. First a little history.

Our house is a cape cod and was built in 1940 with full bathroom on 1st floor. By descriptions this is a wet vent system (my main stack/vent is in about 6' from the back wall of the house. Non of the traps on the 1st floor are "vented" individually. Wet vent system, right?)

It appears many years ago the 2nd floor bathroom (toilet, sink and closet where the tub would go) was added.

I'm close to finishing with the gutting of the 2nd floor bath to update it and add a tiled shower. I see now that the toilet and sink drain into the vent/stack. It looks like they put a wye in under the 2nd floor to run to the back wall and then up and out the newer roof. The toilet is over that pipe at the back wall. Where the wye is, the horizonal run is reduced (in the wall) to 2" and does a 90 approx. 18" off the floor and runs in the wall about 2' and is used as a drain for the sink.

We've been in this house over 8yrs without any plumbing problems. I had the cesspool pumped a couple years ago (after 6yrs.) and it was less than half full so that appears to be working great.

I'm planning on building a shower wall and put the sink on the other side of that wall with supply lines and drain in that wall. The drain for shower and sink would run to the 3" the toilet is on and run the vent to the old sink drain. Will that work?
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Unread 10-22-2006, 04:16 PM   #2
John Bridge
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Hi Mike, Welcome aboard.

If I understand correctly, there's no problem. There may be some plumbers around here who will take exception, but we'll wait and see.
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Unread 10-23-2006, 04:16 PM   #3
mike_b
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Now I'm star stuck! John Bridge has replied to my question! Should be getting his book any day now.
Any pros with insite to help me with my plumbing situation? I'm at a stand-still. I will greatly appreciate any guidance.
Thanks
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Unread 10-23-2006, 06:22 PM   #4
John Bridge
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Geez, me again?

Mike,

All plumbing codes end up being local. Generally, though, if the trap is within six feet of the vent you're good to go.
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Unread 10-24-2006, 04:33 PM   #5
mike_b
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Thanks John! Got a question. I'm interested in installing one of those 'shower towers'. Aside from the massage action, it seems like there would be less chance of leaks within the wall (that's what I told the bride to get her to authorize such a purchase$$$). I've been told by a master plumber that I am very good at soldering, though. I plan the shower area to be 36"X36" with a 36"X36" dry off area. What's your take on these shower towers?

It seems that these things require 3/4" supply lines. 3/4" comes in the basement from the city then it is reduced to 1/2" before the water heater. Should I redo it from there up to the new shower and 'T' off to the 1/2" along the way?
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Unread 10-24-2006, 07:14 PM   #6
John Bridge
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Yeah, Mike, you've got to have 3/4 on both the hot and cold sides. Half-inch won't impress the wife at all.
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Unread 11-15-2006, 06:45 PM   #7
mike_b
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pvc/abs

I'm curious. I read that when you order the kerdi drain you need to match it to the drain pipe's material. Is there a problem with gluing pvc and abs together? The glue I have says it can be used on both.

Another - What are your thoughts on water towers vs. individaul componets mounted in the walls?
Thanks!
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Unread 11-15-2006, 10:24 PM   #8
Mike2
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Don't know what a water tower is Mike but it really is best to match the drain material up to the piping. PVC to PVC, ABS to ABS. Did you mess up and order the wrong drain type? If so I'd convert the plastic drain pipe type to match the Kerdi drain using a Fernco or Mission neoprene connector.

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Unread 11-16-2006, 05:48 PM   #9
mike_b
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Thanks Mike! Actually I had some 2" abs pipe and went to the orange box for fittings. They only had pvc stuff. So I bought the glue that does both and the pvc fittings. I've already run the drains under the subfloor from the 2nd floor to the basement. I haven't gotten far enough to order the kerdi yet. It was your post about matching the drain that has me thinking I might have made the booboo. I'm here for the professional advice and respect your input, but I gotta ask, do I have to do rework?

Also, the "shower towers" are a self contained unit that has shower head, jets, diverter valve, etc and the mounts to wall a watersupply.
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Unread 11-17-2006, 05:33 AM   #10
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bump
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Unread 11-17-2006, 05:36 PM   #11
mike_b
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Unread 11-17-2006, 06:01 PM   #12
fmrusmc
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Hey Mike - not a plumbing expert by any means - butttttt - our local codes are very specific about this - you cannot mix 'n match (glue) PVC with ABS. You may want to call your local plumbing police - but if you've not gotten a permit and don't intend to, you may want to call "on behalf of a friend."
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Unread 11-19-2006, 10:58 AM   #13
mike_b
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t&g planks, plywood, Ditra, ceramic tile

Thanks Chris! I'm going to re-work the drain/vent system in PVC.

Ok guys, my Deflecto is L/522. The sub floor is 3/4" planking. I have 3/4" hardwood floors to transition to in the hallway. I intend on Ditra and ceramic tiles. I believe I understand Ditra installed is 1/8", then add 1/8" of thinset between Ditra and tile.

I'm thinking 3/4" plywood and transition down to the hallway. Which plywood in the big orange box is common enough for me to find.
Thanks!
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Unread 11-19-2006, 11:50 AM   #14
John Bridge
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Hi Mike,

I can get Sturd-I-Floor t&g at the Depot here in Houston. If not, BC or CC Plugged will do the job.
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Unread 11-19-2006, 03:22 PM   #15
darvin kuehl
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I did a lot of looking before I bought my shower equipment. Unless you are just.adding on, so to speek, the seperate valves and jets are a better and cheeper way to go. The shower towers are very expensive , and are mostly plumed for 1/2" internal pipe. I bought Hansghroe valves all in 3/4" except for the sprays and the handheald which are 1/2"
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