Plumbing Drain Pipe Assembly Ideas For Adding New Bathroom Behind Existing One - Part 1
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- Опубликовано: 28 июл 2022
- www.homebuildingandrepairs.co... Click on this link to learn more about home remodeling, bathrooms and other construction projects. In this video I will provide an example of how the plumbing drain pipes can be modified to allow new bathroom to be added. Always check local building codes to make sure they allow these types of modifications to your existing plumbing drain system.
• Plumbing Vents Might N... - Link to part two. 
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ruclips.net/video/6dmWpt8wl_k/видео.html Here's a link to Part Two. Explaining how larger vents might need to be installed.
Thanks! This video is right on time! I'm in the brainstorming/planning process for doing this set up to do an ensuite in my master.
Glad it was helpful!
Me too... Excellent video. Thank you.
You are the best 👌explained everything perfectly, answered all my questions. Now the best part is about to be done, I’ll be doing back to back new full plumbing at home.
Great and thanks for the kind words.
Great video! Thank you for this!
My pleasure!
Great video! Thank you.
You are welcome!
Greg,
I have really enjoyed all your videos. I have only gotten permits where needed. But I sometimes watched a particular video 3 times to really understand. Then I asked plumber friends.
Thank you so much. My home and my duplex rental.........
Yes, I've had to do the same thing. I don't always get it on the first try.
Very good video
would it be possible to add a 3rd fixture (washing machine) on top that double lavatory wet vent?
Great video.,.
However my idea is instead of back to back , (saniflo is what I'm using) and the next room is a closet that will be turned into a bath and toilet..
How can I connect the vent and waste line .?
Planning a walk in shower for both and change the tub on the previous bathroom..
Thank you have a blessed day and be blessed
I have a crawl space under my home. Am adding a new bathroom & will be 20' from main line. When adding fittings to main line, Can you use a slip coupling & mark the pipe for maximum glue area ? Your video is excellent, The part I am trying to understand how you got the fittings on the main line without movent of either end of existing main line. And the dimension for center of toilet drain from finished wall is12.5 inches ?
It make sense.
Greatful for these videos, very helpful and easy to understand. Thank you. Based on your comment it may be a problem if you have a home with interior beams and perimeter footings, What is a good solution to get around this? Or workaround for adding plumbing with beam in the way? Or typically what is common practice used by professionals for this type of situation? Tunneling?
I don't have an easy fix for beams that might need to be relocated or floor framing modifications. You might find something helpful at our website in the crawlspace section.
@@gregvancom no I think the question was how to change existing plumbing drain line for example add a new drain line and need to connect to nearby drainline, but if you have interior beams is the only option to trench tunnel to the plumbing below the beams?
@@VP411Designs You can usually access plumbing from above by removing concrete or flooring, but it can be accessed by removing soil also if easier.
@@gregvancom thank you
For the bathtub could you have done a double sanitary tee?
Most plumbers won't do it, because it can create problems when trying to run a drain cleaning snake through on side and hoping it will turn and go down, but instead comes out the other side. Maybe a double fixture tee might work, but you would need to check local building codes to verify.
Question why is the waste of the lavatories at an angle and not coming out straight out?
Some times it works better for the waste pipe installation. You shouldn't have a problem hooking up the sink drain as long as the pipe angle is correct.
Kind of a silly question, but are you going to put in a window for your new bathroom?
Not silly and you can have a window or exhaust fan usually approved by most building codes.
You can’t use a sani-T in a horizontal application. They must be a wye fitting or something similar.
Exactly and good point.
@@gregvancom good idea for a video. Pretty common scenario
@@regularguy9264 Are you referring to the combo fitting I mentioned in this video and the one I did not refer to as a santee?. This is why I mentioned it, because it might have been you who didn't like my combo fittings design on one of my other videos.
@@gregvancom I don’t believe I commented about this on another one of your videos. I do enjoy watching them though. I was actually referring more to the illustration used than any wording that you used. I noticed you used the wye fitting as well as a sanitiee next to each other with both being horizontal in the video (at 5:53), and just thought it was worth mentioning.
It’s like you can read my mind!
Magic:)
3" main drain to 3" W.C. combo/cross = 3" vent stack thru the roof, cannot be 2".
Thanks for sharing and good point, check with local building codes for vent sizes. If you have the building code reference number for the full size 3 inch vent, I would love to see it.
@@gregvancom 815 KAR 20:090. Soil, waste, vent systems, traps, and clean-outs. ....... (from 2020 Kentucky State Plumbing Law,Regulations and Code Book pg. 70)
Section 11. Soil and Vent Stacks. (1) A building in which a plumbing fixture is installed shall have a soil or waste and vent stack, or stacks, extending FULL SIZE through the roof. Other national codes follow this same principle.
@@bobrub I was wondering how you would reply, other national codes follow this same principle, when in fact the other side is that some don't. I appreciated the code reference number, because it will help others, including myself who needs to do a better job pointing out where I'm getting my information from. International plumbing code book 2021 reference number 906.2 say that you can use half the diameter of drain served. Thanks again
@@gregvancom Hi Greg, KY code is really all I know but your reference to IPC 906.2 got mr curious. That 906.2 section is titled "Vents OTHER THAN stack vents or vent stacks".
Your plan was for a 3" main waste drain, a 3" waste stack (serving 2 - 3" W.C's), with a 2" stack vent. Section 913.3 Stack vent says .......
"A stack vent shall be provided for the waste stack. The size of the stack vent shall be not less than the size of the waste stack." ...... which is 3".
@@bobrub I would think this section (913) is referring to more than one story with a vertical stack, like a house with a basement and one floor above or two story house where you might need the same diameter pipe for vent as waste. Every drawing I saw referring to a stack vent had all of the plumbing drains for a single bathroom on each separate floor going into one main vertical soil and waste stack, unlike my design that had three pipes going into the horizontal waste drain with three common vents. I have a question, would you need to run a waste stack if you had a drain pipe layout like this?
❤😊❤😊❤
Awesome.
in 2050 the pipes may be $40,000 each, LOL You may be right.
First of all drain the tub’s on opposite ends. Make’s life much easier
I don't always agree with that, whether of not your right or left handed could make life much easier for turning on bathtub water supply valves.