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  1. #1
    cory nystul's Avatar
    cory nystul Guest

    Default metal roof flashing

    I have been trying to research the flahsing on the edge of this roof and i can't decide if this is correct or not, my gut says no. I found this setup in many locations on the roof.
    flashing.jpg

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  2. #2
    Join Date
    Dec 2008
    Location
    Maryland
    Posts
    2,776

    Default Re: metal roof flashing

    On a practical side the rake trim (factory formed) is performing what it is designed to do. Which is to finish off the edge and cover the edge of the roof panel. But the channel that is formed may not account for excess rain flowing through it. It is possible that the trim and the ridge are sealed, preventing water to flow over the ridge and onto the rake edge. How it may be sealed is a good question. There are some great Butyl caulk sealant on the market, though expensive.

    The installation may work fine and never have an issue. Though taking a belt and suspender approach to address the unknown possibility, capping over the flat channel between the ridges running (extending capping) to the ridge would resolve any future concerns. Which would be my suggestion to resolve any concerns. Though it may create and aesthetic issue to some.

    Give Fabral a call and get them to send you their recommendations. You can pass it on to the client as a informed source opinion.

    FABRAL
    Salem Plant:
    4570 Ridge Drive, N.E.
    Salem, OR 97303
    (800)477-9124 Fax (503)393-5813
    Fabral
    http://www.fabral.com/wp-content/upl...2/bluebook.pdf

    Last edited by Garry Sorrells; 06-13-2014 at 05:10 AM. Reason: added source to contact.

  3. #3

    Default Re: metal roof flashing

    Quote Originally Posted by cory nystul View Post
    I have been trying to research the flahsing on the edge of this roof and i can't decide if this is correct or not, my gut says no. I found this setup in many locations on the roof.
    flashing.jpg
    Cory,

    I would agree with Garry Sorrells, the rake trim is doing what it is intended to do. Assuming the primary seam, shown to the right of your arrow, continues all the way to the bottom of the slope there should be no problem with this condition.

    Don Putnam
    www.roofconsulting.com


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