How To Rough In Plumbing Under Slab For A Bathroom - FOR BEGINNERS!

The Excellent Laborer
The Excellent Laborer
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Published 2023-05-14
In this video, I will show you how to rough in plumbing under a slab for a bathroom, and I've made sure it's beginner DIY friendly! Whether you're tackling a DIY bathroom renovation project or simply curious about the process, this step-by-step guide will give you the knowledge and confidence to handle the plumbing aspect of the job. Watch as as I explore the essential tools, materials, and techniques needed to successfully rough in plumbing under a concrete slab. From marking out the layout and digging the trenches to installing drain lines and vent pipes, you'll learn it all. By the end of this video, you'll have a solid foundation of plumbing knowledge to build upon and take your bathroom project to the next level. This is part 3 of Garage Build Series.

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Timestamps
Intro 00:00
Plumbing Layout 00:20
Clean Out Tee 05:13
3" to 1 1'2" Reducing Combo Wye 08:10
Proper Sloping 11:57
Laying 1 1/2" Pipe To Sinks 12:26
Laying 3" Pipe To Toilet 19:00
3" Combo Wye 21:08
3" Elbow For Vent 22:35
Test Plug Installation 23:45
Hydrostatic Testing 24:51
Backfilling 27:17



Disclaimer: This video is all based on my personal opinion and is for entertainment purposes ONLY. I am not a financial advisor, CPA, attorney, tax advisor, electrician, plumber, housing contractor, designer, or any type of profession to give advice. I am just a consumer sharing my experiences and research. If you do need knowledge for those types of things, I will advise you to seek help for those profess
All Comments (21)
  • @tillisross2246
    I really appreciate the extra time you’ve taken to teach all of us.
  • @slickwilly6868
    My pops is a master plumber and contractor out of Arkansas. I been around plumbing my whole life, and he always told me to do a quarter turn every time you glue a fitting on a pipe to push the air out.
  • @louisel.sinniger2057
    Excellent job, clean, organized. Speaks volumes for your work. Great instructions.
  • @alfonsoaguilar9612
    THE #1 Most completely fully detailed underground rough plumbing video on YouTube. You deserve an award for this one. I’m about ready to start my ADU and Jr ADU project, just waiting for plan corrections 1 review. This video is AWESOME!
  • @Ronthewoodguy
    This wall very well explained and excellent tutorial. Thank you
  • @Leviathan092
    Appreciate the video, in school for plumbing and myself and a couple other good students were starting a rough in and didn't quite see the full picture yet.
  • @winterfar2814
    Great video man. Doing UG plumbing for my basement and this helped me out.
  • @Box545x39
    I hope you get a mil subs soon, you make the best videos to follow along with. No detail missed, and a wealth of knowledge.
  • @kennethmarable9471
    This Video was EXCELLENT and very easy to follow. Teaching is a Skill 👏👏. I will definately sign up for all your videos. 👍
  • @joshuagreen9458
    not picking on you. just helping with more info. 2 inch pipe is the smallest one should use underground. horizontal dry vents are illegal so if you turned that vent into a wall cleanout it would make it legal. also idk if your walls are wood or cmu but if they were wood you wouldnt need to run a drain line for your lav because you could dirty arm off that vent in wall less piping underground the better. also not just deburing pipe but you should ream it with a reamer. there is videos out there that will show you why you should ream it. you should do ten feet for head pressure when you fill your pipe for the hydrostatic test. i will say as someone who does this for a living you explained it very well. probably the best ive ever heard. the application is great. keep in mind i understand we all have different codes in areas. ours code does not allow foam core in the ground.
  • @royvoth5366
    I am a carpenter,I love watching videos on building, your videos are very well explained,when I started in this business,I wish I could have worked with someone like u,your a very good teacher,thanks for your time...
  • @gregsatterly9412
    In the state where I live you can't use 1 1/2 underground. When I did groundwork as a plumber we used regular schedule 40 pvc. I am building a house now. I had to catch a kitchen, laundry room, and 3 bathrooms. That was some serious piping!!! I used a mini excavator to dig for my lines.
  • @dailytricks6161
    Good luck and peace to whoever is reading this! You did a great job! Thank you, wish you health and success!☺️
  • @richt2633
    Great Video! I like it…”Glueing and Going”. 👍
  • @edardon16
    Thank you for this Excelent video.