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  1. #1
    Paul Edmonson's Avatar
    Paul Edmonson Guest

    Default Asphalt run on shingle

    First time to see this on a shingle. Any thoughts on this type of run? Manufacturing defect?

    Thanks

    Paul

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  2. #2
    chris mcintyre's Avatar
    chris mcintyre Guest

    Default Re: Asphalt run on shingle

    Looks like a steep roof, shingles are not laying flat.....roof over?

    Runs may be from adhesive that the roofer applied.


  3. #3
    Join Date
    Mar 2007
    Location
    Columbus GA
    Posts
    3,746

    Default Re: Asphalt run on shingle

    Could be that the roofer applied mastic, but
    I think it is more likely that the factory applied too much mastic on the strips. Gonna be one or the other though.

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  4. #4
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
    Posts
    5,847

    Default Re: Asphalt run on shingle

    I'm thinking that that the roof was installed when it was cold and the shingles did not seal. Then the roofer came back and applied mastic/goop and we are seeing the result after the shingle have heated up.

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

  5. #5
    Paul Edmonson's Avatar
    Paul Edmonson Guest

    Default Re: Asphalt run on shingle

    Thanks for the feedback. I appreciate it.

    Paul


  6. #6
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    26,252

    Default Re: Asphalt run on shingle

    Many shingle roof manufacturers require, for steep roof installations, that the bottom of the shingles be masticed (is that a word? ) down with plastic roof cement as the shingles are at such an angle that gravity may not seal the shingles together.

    Use too much plastic roof cement and get a real hot day ... yeah, I can see that happening ... or even worse with more plastic roof cement dripping down.

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

  7. #7

    Default Re: Asphalt run on shingle

    Today, I had a house that had horizontal bleed out coming from the architectural comp. shingles at the glued on chunks that give them that 3d look-- they were definitely not due to someone gluing them down after the fact. Dang it-- should have taken pictures.


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