PEX or PVC - which is more sensitive to caulks, flashings and sealants

Discussion in 'Shower & Bathtub Forum & Blog' started by oak orchard, Mar 5, 2013.

  1. oak orchard

    oak orchard New Member

    Jan 3, 2013
    Western New York
    I presumed that O2 barrier PEX and PEX in general is more likely to be compromised by various VOC's and solvents in poly urethane, butyl, asphalt flashings, and and spray foams than PVC. But I am told by a plumber that PEX is much heartier than PVC.
  2. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    PEX can be used for water inside a home, and also CPVC

    PVC can only be used for underwater supply of cold water.

    Waste and vents can be ABS or PVC, depending on local code.
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