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    TCCJJ's Avatar
    TCCJJ Posts: 3, Reputation: 1
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    #1

    Nov 29, 2007, 06:38 PM
    Might we regret using CPVC to replace bathroom copper pipes?
    Our 1912 home has had growing water damage to the dining room ceiling. Pitted copper pipes are speculated as the problem (determined by a plumber). It is 34 degrees here (outside) and we are concerned about draining the system for too long. I'd like to go with CPVC but I'm concerned it has to "set up" before water is returned to the system. Copper would be fine, but I'm concerned about the cost. Any thoughts? Thanks.
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #2

    Nov 29, 2007, 07:02 PM
    I just looked at the directions on the can of cement I have. It says let cure 4 hours. Before I went back with copper, I would look at what happened to the old.
    TCCJJ's Avatar
    TCCJJ Posts: 3, Reputation: 1
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    #3

    Nov 30, 2007, 05:18 AM
    That means the CPVC can be filled after 4 hours? I'm not sure what you mean in your second sentence. Thanks!
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #4

    Nov 30, 2007, 06:09 AM
    In practice, I have turned the water back on long before 4 hours, but one seldom goes wrong reading and following directions.

    If the copper has gone bad, it could be from electrolysis. It would not be a good idea to install more copper without identifying and eliminating the cause of the electrolysis.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #5

    Nov 30, 2007, 06:33 AM
    I would definitely replace with plastic. Labman says."
    If the copper has gone bad, it could be from electrolysis. It would not be a good idea to install more copper without identifying and eliminating the cause of the electrolysis.
    Also aggressive water can produce pinholes in copper pipes. Going plastic will remove the threat of both. Good luck, tom
    TCCJJ's Avatar
    TCCJJ Posts: 3, Reputation: 1
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    #6

    Nov 30, 2007, 12:29 PM
    Thanks so much. In fact, I recently learned it has to do with electrolysis due to old iron piping that was originally used. What a helpful site this has been. All the best to you both.
    plumberjames83's Avatar
    plumberjames83 Posts: 99, Reputation: 5
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    #7

    Nov 30, 2007, 07:20 PM
    Pex anyone?
    Way cheap and no glue
    25 year warranty
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #8

    Nov 30, 2007, 08:36 PM
    I think CPVC and PCV is friendlier to a DIY, and the cost is about the same. It is tough to screw up PVC.
    plumberman's Avatar
    plumberman Posts: 56, Reputation: 2
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    #9

    Dec 1, 2007, 08:52 AM
    Quote Originally Posted by plumberjames83
    pex anyone?
    way cheap and no glue
    25 year warrenty

    I agree pex is the better way... cpvc is safe to use but I hate it and it freezes up and cracks to easily.
    jaydeepsheth's Avatar
    jaydeepsheth Posts: 6, Reputation: 1
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    #10

    Dec 19, 2007, 12:26 AM
    I think PPR can be good option.Cheap,Durable & 50 years Product Guarantee
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