Uponor Aquapex Tubing and Ultraviolet Light

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by WillieK, Sep 18, 2012.

  1. WillieK

    WillieK New Member

    Messages:
    12
    Location:
    Houston, TX
    Can this pex be installed in an attic close to an exterior wall where it gets indirect sunlight from an unsealed porch.
  2. Tom Sawyer

    Tom Sawyer In the Trades

    Messages:
    3,124
    Location:
    Maine
    Just insulate it with armorflex and it will be fine.
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,472
    Location:
    Cave Creek, Arizona
    UV rays are "line of sight" so they do not affect pipes which are in "indirect sunlight".
  4. WillieK

    WillieK New Member

    Messages:
    12
    Location:
    Houston, TX
    Thanks - good idea.
  5. WillieK

    WillieK New Member

    Messages:
    12
    Location:
    Houston, TX
    I did a little research and it seems like UV rays can be reflected - even off of the concrete porch floor. However, not sure how much would actually be reflected - especially up 9 feet high?
  6. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,472
    Location:
    Cave Creek, Arizona
    They are so "weak" that a single layer of latex paint will protect the pipe from them so how much effect would they have if they were reflected off a rough surface like concrete?
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