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  1. #1
    Ron Bishop's Avatar
    Ron Bishop Guest

    Default PVC, CPVC, polybutelyne...what is it?

    Can someone help me identify this supply piping?? I could not read the specs. It is on a manufactured Home in Northern California built in 1982.

    Thanks, Ron

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  2. #2
    Join Date
    Mar 2007
    Location
    Dallas, Texas
    Posts
    4,112

    Default Re: PVC, CPVC, polybutelyne...what is it?

    The tanish plastic pipe looks like either PVC or CPVC.

    Jim Luttrall
    www.MrInspector.net
    Dallas, Texas

  3. #3
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
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    5,829

    Default Re: PVC, CPVC, polybutelyne...what is it?

    That tan pipe is CPVC.

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  4. #4
    Ron Bishop's Avatar
    Ron Bishop Guest

    Default Re: PVC, CPVC, polybutelyne...what is it?

    Thank you Scott...


  5. #5
    Join Date
    Mar 2007
    Location
    Garland, TX
    Posts
    605

    Default Re: PVC, CPVC, polybutelyne...what is it?

    Ron,

    The solvent primers and cements colors can also help identify when used properly.

    Welcome to Oatey

    badair http://www.adairinspection.com Garland, TX 75042 TREC # 4563
    Commercial-Residential-Construction-EIFS-Infrared Thermography
    life is the random lottery of events followed by numerous narrow escapes

  6. #6
    Richard Rushing's Avatar
    Richard Rushing Guest

    Default Re: PVC, CPVC, polybutelyne...what is it?

    Looks like CPVC to me too.

    rr


  7. #7
    Joshua Hardesty's Avatar
    Joshua Hardesty Guest

    Default Re: PVC, CPVC, polybutelyne...what is it?

    Definately CPVC. The slightly yellow color, the yellor (or orange) glue, and the brass angle stops indicate that. I don't *think* they make shutoffs like that for PVC piping. But then, just because I"ve never seen it doesn't mean it's not made.


    One thing though, I can understand getting PVC and CPVC crossed, especially if they're very dirty, but pb pipe?


  8. #8
    Aldo Marcozzi's Avatar
    Aldo Marcozzi Guest

    Default Re: PVC, CPVC, polybutelyne...what is it?

    I did an inspection the other day and when I open the basement door to go downstairs the mildew odor automatically let me retreat. After I put all my precautionary gears, I when downstairs. The homeowner has already called a contractor to remove all sheetrock from the exterior and interior walls. The mold still can be visible in several areas. The insurance company toll the lady that the damaged was cause by a CPVC (flexible) condensation line coming from a water filter system (located in another room of the unfinished basement) traveling under the joists (of the finished room) discharging into the sump pump. The ceiling of the room was 24x24 drop ceiling, the part above the track were you tie the support galvanized wire was all rusty.
    My question is: can a CPVC line can condensate like a copper line and dripping causing such as damage? I only can send you a picture of the pipe discharging into the sump pump, is the blue one. (Red flag…pipe also is too dip into the pit)


  9. #9
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
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    25,317

    Default Re: PVC, CPVC, polybutelyne...what is it?

    CPVC and PVC will condensate on the exterior if the liquid running through them is cold enough.

    From an air handler unit - yes, definitely.

    From a water filter - yes, if the water was cold enough.

    The line does not have to get below freezing cold, only below dew point cold, and depending on the temperature and humidity that might be 75 degrees.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

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