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Plumbing Question...

Tech141Tech141 Member Posts: 3,787 ✭✭✭
edited February 2011 in General Discussion
I am in the middle of a bathroom remodel. I'm getting to the point where I need to run new hot/cold water supply lines to the sinks (two) and tub/shower. I've run copper before but am considering CPVC. Does anyone here have experience with CPVC? Is it reliable? Will it leak/split as it ages? CPVC cost is considerably less than copper, but is it worth using?

I was looking at the plumbing in a new subdivision's "Model Home" and they used CPVC for the supply lines. I asked the saleswoman about it but she was a tad 'clueless'

Any knowledgeable opinion will be appreciated.

Comments

  • Tech141Tech141 Member Posts: 3,787 ✭✭✭
    edited November -1
    Does anyone know how cold it would have to get to burst exposed 1/2 inch CVPC pipe ?
  • Tech141Tech141 Member Posts: 3,787 ✭✭✭
    edited November -1
    Last night, kitchen sink backed up (clogged). Ended up leaking from trap. Got it all put back together after snaking drain the best I could. Now It won't even drain a little bit. Tried industrial strength drain-o and nothing. Solutions? Septic full? Vent clogged? None of the other sinks toilets or washing machine drains having a problem. I know someone will be able to help me out. Maybe it's just too easy and I'm looking too hard for another problem? I'm at a loss right now.
    thanks all!
  • woodhogwoodhog Member Posts: 13,115 ✭✭
    edited November -1
    not legal in many locales except in trailers. I would go with copper
  • 20gabob20gabob Member Posts: 232 ✭✭✭
    edited November -1
    I'm not a plumber but about 20 years ago i tore all the old galvanized plumbing out of this house i live in and replaced it with cpvc and can honestly say that i have not had to replace one bit of it. I did cut into to some of it to add extra outside faucets and even then no problems. Cheap and easy to do and still seems to have all the pressure and volume that i had when i first installed it and believe me that is a lot better than old galvanized. My advise GO FOR IT.
  • armilitearmilite Member Posts: 35,490 ✭✭✭
    edited November -1
    Well I work more so with the waste end of the question but 100% of what we work with is plastic so that should answer your question.
  • skicatskicat Member Posts: 14,431
    edited November -1
    Check with local code to see if it is compliant first. If installed correctly it is rated to easily handle domestic water temperatures and pressures. Bear in mind that it is a slower install process than copper because you have to wait for glue to cure. Repairs, if you have a leak are also going to take longer.

    Not as many people, besides homeowners, are using cpvc these days as pex tubing is so much easier to work with and more resilient than other piping methods.
  • NeoBlackdogNeoBlackdog Member Posts: 17,234 ✭✭✭✭
    edited November -1
    I re-plumbed a house I had with CPVC. If I had it to do over I'd do it with copper. I just never trusted those pipes when it got cold.
  • BoskettiBosketti Member Posts: 1,090 ✭✭✭✭✭
    edited November -1
    CPVC tends to get brittle when it gets old. Doesn't mean it will break, but if you need to repair it can get to be a PITA.
  • coltpaxcoltpax Member Posts: 7,516 ✭✭
    edited November -1
    Well, i can tell you what an old man once told me about plumbing...Sh** runs downhill.
  • SawzSawz Member Posts: 6,049
    edited November -1
  • wittynbearwittynbear Member Posts: 4,518
    edited November -1
    PVC is great for drains and toilets, and in fact the only thing I would recommend. If used for supply lines I can sometimes taste a slight plastic taste in the water so I personally use copper. Some folks don't taste a difference.

    Some people taste the plastic taste too, so I know its not just me.
  • acdoddacdodd Member Posts: 1,314 ✭✭✭✭✭
    edited November -1
    If you use it make absolutely sure you use the correct glue.
    My brother used the regular PVC glue and I had to crawl under the house in the mud to fix it. TWICE.
    After I repaired the 2 bad glue joints I haven't had any problems.
    Knock on wood.
  • slumlord44slumlord44 Member Posts: 3,702 ✭✭✭
    edited November -1
    Check code first. If ok, no problem. Did my whole house when I built it in 1980. Yes you do need the proper glue. Set up time is not a problem. Good in like a half hour or less. Had one or two minor leaks in the whole house when I did it. No problems since. Easy to cut back into to make changes later. Had one or two joints on 1/2" line that were partialy cloged because I used too much glue. Light coat will suffice. More is not necessarily better. Sunlight is bad for plastic but since water lines are in the walls, not a problem. Have also used it to replace pipes in mobile homes. Freezing is no more of a problem than with copper. Just like putting together a tinker toy set. If you have a leak, cut out the leak and glue in a coupling to splice it all back together. Simple and impossible to burn the house down doing it.
  • GRIZZLY17GRIZZLY17 Member Posts: 1,676
    edited November -1
    Whats your budget? Copper is always best, maybe not easiest but as far as the long term....[^]
  • Reaper1862Reaper1862 Member Posts: 839 ✭✭✭✭
    edited November -1
    Use copper, the other stuff is just a problem waiting. 12 remodels and 2 ground up builds, use copper.
  • roswellnativeroswellnative Member Posts: 10,188 ✭✭✭✭
    edited November -1
    going to live there 10 or more yrs: copper
    10 or less : CPVC
    unless the plumbing will be in a sub zero climate for long periods then I would go with the 5 year move question...
    Although always described as a cowboy, Roswellnative generally acts as a righter of wrongs or bodyguard of some sort, where he excels thanks to his resourcefulness and incredible gun prowesses.
  • LesWVaLesWVa Member Posts: 10,490 ✭✭
    edited November -1
    Biggest difference between PVC and CPVC. CPVC is Chlorinated during the process of making it. This allows it to carry "corrosive water" in industrial applications and do it at around 90 to 100 degrees higher temps.

    CPVC also is smaller diameter than PVC and takes fittings that will only fit it. This is mainly due to keep people from mixing PVC and CPVC. And one more thing. If you use CPVC you must use glue made for it. PVC glue will not work.
  • bartman45bartman45 Member Posts: 3,008 ✭✭
    edited November -1
    I'm no plumber, but Pex has been used on several installs on "This
    Old House" and looks like a nice system. Copper is great also. If doing it yourself get a click start MAP gas torch. Burns hotter and heats fittings quicker and, seems to me, more uniformly.
  • SperrySperry Member Posts: 5,006 ✭✭✭
    edited November -1
    quote:Originally posted by Sawz
    if not copper PEX

    http://www.pexinfo.com/

    I second this [unless it has already been seconded [:D] ].

    PEX gives a better connection and has superior freeze characteristics.
  • pagehoughtonpagehoughton Member Posts: 4 ✭✭
    edited November -1
    quote:Originally posted by wittynbear
    PVC is great for drains and toilets, and in fact the only thing I would recommend. If used for supply lines I can sometimes taste a slight plastic taste in the water so I personally use copper. Some folks don't taste a difference.

    Some people taste the plastic taste too, so I know its not just me.

    Use copper..its a great option :)
  • NOAHNOAH Member Posts: 9,690
    edited November -1
    pex! you will be glad you did,[:)]
  • select-fireselect-fire Member Posts: 69,491 ✭✭✭✭
    edited November -1
    I've never seen a copper well head. Or copper ran underground to the home from the well. Galvanized will rust also eventually. I have cvpc in a ton of rental homes and in our home. 1/2 cvpc has a very strong burst strength. PVC is so bad.. that well drillers use it.( insert sarcastic remark here )
  • mt3777mt3777 Member Posts: 73
    edited November -1
    CPVC is terrible. I hated remodels with it in there. We were most often there because of the CPVC.

    Pex is really easy to install. It's a less toxic plastic that is very hard to burst. I filled a pex line with water and capped off the ends then put it in the freezer. It expanded and did not burst.

    When it first came out, the brass fittings were not well thought out. Had to replace some fittings.... Now they are all plastic.

    Shark bite fittings are EXPENSIVE! but will tie right into your copper with NO effort at all. You can do almost anything with them and they seem to work well.

    The tool to tighten up the pex rings is expensive but most places will rent you one. get the one with the angled head. some use a universal crimp that needs only one size head.

    Do everybody a favor and rip out the CPVC!

    I'm sure the master plumbers on here will agree!
  • bpostbpost Member Posts: 32,669 ✭✭✭✭
    edited November -1
    You have some terrible advice going on here so do further research to learn more and make you own decisions.

    MY .02, at no charge to you!
    1) CPVC is NOT standard pvc (white). It is certified for potable water and hot water lines. If installed correctly it is much better than copper because it takes freezing better, but not as good as PEX. It cost is 1/3 that of copper. Using "Gold line" CPVC or other brands of high quality CPVC is worth the pennies more per foot.

    2) installation is a lot easier, no chance of burning down the house in tight spots soldering a joint. Errors and changes are easy to make with a hack saw and inexpensive connectors. Prime and glue as instructed and it will never be a problem.

    3) I ran standard CPVC and GOLD LINE CPVC side by side for several years. The plain pipe was indeed more brittle when bent, but I had to bend it almost in a circle to break it, the GOLD line was still unbreakable..

    4) my entire home water supply is CPVC, it does not keep me up nights worrying about it.
  • select-fireselect-fire Member Posts: 69,491 ✭✭✭✭
    edited November -1
    Go to Lowe's buy some orange can CVPC glue, get you're sticks of cvpc pipe, a 7 dollar pair of plastic pipe cutters. ( they work on PVC and cvpc ). Get you're contractor bags of fittings,( they are cheaper priced ) and have at it. You will be a master plumber in about 1 minute. A third grader can do this stuff. Plumbers hate it when a regular person can do their job. I haven't used a plumber for decades. When you do the shut off valves under the sinks and toilets, put a piece of 1/2 cvpc in the female end when inserting the male end in the shut off valve. It keeps the fitting from busting and splitting.
  • MaxOHMSMaxOHMS Member Posts: 14,715
    edited November -1
    Do not glue ABOVE a valve, or glue will run down into it and mess it up.

    Guess how I found out.[:(]
  • select-fireselect-fire Member Posts: 69,491 ✭✭✭✭
    edited November -1
    Reread what I posted. I didn't mention anywhere about gluein a valve. The pipe in the female connection is the only thing to glue. Just a slight wipe and on the pipe and it is secure..
  • torosapotorosapo Member Posts: 4,946
    edited November -1
    The house I grew up in Michigan was built in 1968 and I helped my dad plumb it. We used platic pipe and it was still there in 2006 when my mother died. We never had a problem with it. In my opinion if you don't have to use copper you are stupid to pay that much extra.
  • fideaufideau Member Posts: 11,895 ✭✭✭
    edited November -1
    Agreed. Go with the PEX.
    Better than copper.
    Easy to install.
  • SperrySperry Member Posts: 5,006 ✭✭✭
    edited November -1
    quote:Originally posted by select-fire You will be a master plumber in about 1 minute.


    Not a chance in a million.
    That's like saying, "Buy some hand tools and a How-To book, and be a master mechanic in a minute".

    But a layperson can assemble simple plumbing pipe like TinkerToys r.
  • select-fireselect-fire Member Posts: 69,491 ✭✭✭✭
    edited November -1
    Master plumber in plastic pipe.. the master plumber's nightmare cause anyone can do it.
  • skicatskicat Member Posts: 14,431
    edited November -1
    quote:Originally posted by select-fire
    Master plumber in plastic pipe.. the master plumber's nightmare cause anyone can do it.

    That's funny right there! I've made lots of good money batting cleanup after self made plumbers to even want to discourage people from trying their hand at plumbing. I've lost track of how many toilets piped with hot water and drains pitched uphill I've had to fix and those are the non-dangerous types of mistakes.
  • select-fireselect-fire Member Posts: 69,491 ✭✭✭✭
    edited November -1
    You can't believe how many mobile homes I have done for folks with cvpc and saved them $$$$. Plumbers wanting 1500-2000 bucks to do them.. some with cvpc. Then I will get a call cause I done one for someone else who knew someone else. I will give them a shopping list to go buy the materials. I will have them help me and charge them a fair price of 150 bucks. That usually includes hooking up new faucets, shut off valves. total for them is around 200-250. Sure beats the heck out of giving a plumber 1500-2000.
  • skicatskicat Member Posts: 14,431
    edited November -1
    To quote Clint Eastwood......

    "You're a legend in your own mind."
  • jltrentjltrent Member Posts: 9,337 ✭✭✭✭
    edited November -1
    Cpvc is the only way to go. If the new copper pipes are like some copper gas pipe I bought last year it has very little copper in it now. The copper pipe turned a funny color in just a few days after I installed it, I don't know what it is made of. Gluing the cpvc together, prime the pipe first and then glue with the right glue and the pipe will outlast you and your kids.
  • select-fireselect-fire Member Posts: 69,491 ✭✭✭✭
    edited November -1
    quote:Originally posted by skicat
    To quote Clint Eastwood......

    "You're a legend in your own mind."


    To quote myself.. I love taking money out of rip off artists who quote folks to screw them out of their good ol hard earned money.
  • skicatskicat Member Posts: 14,431
    edited November -1
    Only someone who is a legend in their own mind would quote themselves.
  • select-fireselect-fire Member Posts: 69,491 ✭✭✭✭
    edited November -1
    You read it, that is enough to make me happy.
  • n/an/a Member Posts: 168,427
    edited November -1
    due to copper's skyrocketing price, more and more jobs are being plumbed with pex, at least in my area.


    But, some new construction jobs like hotels are now using CPVC Schedule 80 on their mains, and going over to CPVC/cts size on the feed to the fixtures.

    CPVC has been around a long time.

    I recommend using "flowguard gold" cement. it's glue & primer in one, and it's especially made for CPVC, not like a multipurpose cement.

    Also, it's a plus if you have acidic water (like the Poconos).

    Good luck, I'd have no hesitation recommending CPVC.
  • slumlord44slumlord44 Member Posts: 3,702 ✭✭✭
    edited November -1
    For all you guys who think copper lasts forever, you are wrong. Did building maintenance a few years back in a nursing home built in the early '70's. We were contiualy getting pinhole leaks in the middle of a run of coper pipe in the cielings. Fix was to cut out the copper section and replace with plastic. Chlorine in the water woould eventualy eat through the copper.
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