Why Do I Need A 2 X 6 Plumbing Wall? – Remodeling And Home Building




Click on this link for more ideas for building and designing a house. Make sure that you learn as much about home design, architecture, engineering and home building as you possibly can, before you actually start construction on your dream home. Watch this video to learn why some plumbing walls need to be wider than others. Sometimes by spending a few extra dollars on a wider wall can save you frustration and even a little money in the long run. Don’t forget to visit our websites today and watch more of our videos, for more information on home building and construction.

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15 Comments

  1. 67tr876
    June 29, 2011
    Reply

    Is it code were you are to use black ABS ? Here in NJ all houses new that is use the white PVC pipe.

  2. gregvancom
    June 29, 2011
    Reply

    @67tr876 I think you're allowed to use PVC, but most plumbers use ABS. I think that the building codes, but I don't know for a fact allow you to use either one. I'm in Southern California.

  3. Todd Ransom
    November 30, 2011
    Reply

    in response to the abs/pvc. The local codes obviously reign supreme, but abs is used most in single dwelling homes because it is cheap. Most piping will comply with building codes but its the fire codes that determine the kind of pipe you use, at least in Canada.

  4. Todd Ransom
    November 30, 2011
    Reply

    I am a plumber of 25 + years and I have seen many mistakes in these videos on youtube. You can never have enough knowledge in building. Don't believe everything you see on youtube,

  5. valpro99
    July 26, 2012
    Reply

    I'm adding a slab floor washer/dryer room to my house and was wondering how to bring in the 3" drain to the room? Up into a wall sounds like the right idea but I don't think a 2×6 outside wall will be wide enough. Should I consider a 2×8 outside wall?

  6. gregvancom
    July 26, 2012
    Reply

    A 2 x 6 wall should work fine, for a 3 inch pipe and they will actually work well for a 4 inch pipe also. It's hard for me to tell you exactly what you need to do, but if you measure all of the plumbing parts you're planning on using, you should be able to figure out the exact wall thickness you need. Don't forget, you could always use a 2 x 6 wall and if didn't know for sure and fur it out later, by nailing some flat two by fours or ripped down material to it, making it wider.

  7. romeoneverdies
    November 24, 2012
    Reply

    i have a 2×4 wall running almost all the plumbing for an appartment half the studs over a 2-3 foot sections are just cut out just dosent look secure in any way … i agree the plubling this size HAS to be in a thicker wall . and i am lucky this wall isnt a bearing wall .

  8. gregvancom
    November 26, 2012
    Reply

    If the wall was structural, the plumber probably couldn't have cut it up, even though it happens. Some of these problems are actually created by the architects and the structural engineers and only made worse by an inexperienced plumber or a experience plumber, who doesn't have any other alternative.

  9. Timothy Kuhlman
    January 14, 2013
    Reply

    Well 3" pipe fits in a 2x4wall but that's it, a coupling or a hub needs a 2×6 wall,, so u can run the water lines to

  10. gregvancom
    January 14, 2013
    Reply

    If I had a quarter for every time a drywaller had to shave the back of the drywall or cut a hole out for a plumbing coupling or even a nice bulge when they don't do anything, I could probably buy an expensive 12 pack of imported beer or even a large pizza.

  11. Timothy Kuhlman
    January 17, 2013
    Reply

    A lot of times if I have straight 3" pipe running in a 2×4 wall , no couplings or such. I had a 2×6 piece of wood to the top plate , drill a hole for the 3 inch pipe , glue a coupling on and the 2×6 piece supports it, then I make my connections in the lower level 🙂

  12. gregvancom
    January 21, 2013
    Reply

    You've got a good point and thanks for the helpful information. 3 inch pipes will fit in 3 1/2 inch thick walls and if the pipes are located in the center, sometimes the couplings won't really be a big deal, but that doesn't happen very often, leading us back to the reason why you left this slice of wisdom in the first place in the video.

  13. Steven Kirby
    February 17, 2016
    Reply

    Hard to tell but I hope that galv. plumbing strap is not touching the copper waterlines.

  14. KissMy HonkyDonkey
    May 8, 2016
    Reply

    What if one bathroom wall only has vanity sinks and no toilet? Should that also be 2×6?

  15. Max N
    June 26, 2016
    Reply

    Hi Greg!First of all thanks for sharing your experience and advice!I'm going to remodel a bathroom on an upper floor (it's in a triplex).I will change the plumbings also and right now the framing wall is 2×4.I was wondering if changing the framing wall with 2×6 will not put too much pressure on the bottom joists???The triplex has been built in 1952 (if that can help :P).Thanks in advance for your help Greg!

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