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Thread: Shingle defect

  1. #1
    Jon mackay's Avatar
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    Default Shingle defect

    This roof looked great at one side and the other had multiple areas of heavy aggregate wear.

    The gutters on both sides had quite a bit of aggregate in them.

    Is there a known shingle defect that would result in this condition?

    I am guessing that replacement of the damaged side would be the best fix given the extent of worn areas (probably 15 - 20 % of the one side).

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  2. #2
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    Default Re: Shingle defect

    Looks like damage not defect. Thrown rocks, hail, overhanging trees, falling nuts, (black walnut tree?), dragging branches, former roof installation (sat. tv?) or walker on larger mass area centered, etc.


  3. #3
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    Default Re: Shingle defect

    Looks like a size 12 to me..


  4. #4
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    Default Re: Shingle defect

    Power washer should not be overlooked.
    HEY MO! KNUKNUKKNUK


  5. #5
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    Default Re: Shingle defect

    Skylab.

    "It takes a big man to cry. It takes an even bigger man to laugh at that man". - Jack Handey

  6. #6
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    Default Re: Shingle defect

    Quote Originally Posted by Jon mackay View Post
    This roof looked great at one side and the other had multiple areas of heavy aggregate wear.

    The gutters on both sides had quite a bit of aggregate in them.

    Is there a known shingle defect that would result in this condition?

    I am guessing that replacement of the damaged side would be the best fix given the extent of worn areas (probably 15 - 20 % of the one side).
    Is this the south side of the house? That might just be regular wear from heat and sun.

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  7. #7
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    Default Re: Shingle defect

    Nobody's said Hail, so I'll throw in with Hail damage.
    It's a mystery, but a pressure washer in the hands of an idiot is the best answer so far.

    John Kogel, RHI, BC HI Lic #47455
    www.allsafehome.ca

  8. #8
    Eric Shuman's Avatar
    Eric Shuman Guest

    Default Re: Shingle defect

    That is pretty typical of hail damage in my neck of the woods and we get a lot of hail storms here. Also typical to have damage on one face of the roof and not the other as the damaged side is typically the side that the storm approached from. The angle on the leeward side of the roof has a tendency to shed the hail instead of scoring direct hits. If it is hail damage then it might have happened a while ago allowing the damaged bruised areas to shed granules and weather. That's my two cents.


  9. #9
    Jon mackay's Avatar
    Jon mackay Guest

    Default Re: Shingle defect

    Quote Originally Posted by Gunnar Alquist View Post
    Is this the south side of the house? That might just be regular wear from heat and sun.
    Yes, it is but I have never seen a roof wear like that before..


  10. #10
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    Default Re: Shingle defect

    Quote Originally Posted by John Kogel View Post
    Nobody's said Hail, so I'll throw in with Hail damage.
    This "nobody" first responded, indicated the pictured appeared to be damage not defect; and actually made mention specifically of Hailas the second most likely cause of pictured damage (in a list of seven examples followed by an "etc.").


  11. #11
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    Default Re: Shingle defect

    I'm gonna take a stab here and say it might be hail.

    "It takes a big man to cry. It takes an even bigger man to laugh at that man". - Jack Handey

  12. #12
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    Default Re: Shingle defect

    Just my two cents, but I was thinking it might be hail?

    "There is no exception to the rule that every rule has an exception." -James Thurber, writer and cartoonist (1894-1961)
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  13. #13
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    Default Re: Shingle defect

    I hope you guys wouldn't put some of this stuff in your reports. This is all speculation. Yes?

    Eric Barker, ACI
    Lake Barrington, IL

  14. #14
    Eric Shuman's Avatar
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    Default Re: Shingle defect

    Quote Originally Posted by Eric Barker View Post
    I hope you guys wouldn't put some of this stuff in your reports. This is all speculation. Yes?
    Speculation yes, but here in central Texas I would call it "educated speculation" because we see a lot of hail storms. There are also usually other tell-tale signs like dented rain gutters, dented metal vents, dented condensing coil fins, and even broken windows if the hail is large enough. Another indicator is a bunch of new looking roofs on the same street.

    When I see damage that resembles hail stone hits on shingles I do mention that in my reports but I phrase it something like "Possible hail stone damage, it is highly recommended that a qualified roofing contractor inspect the roof to determine repair/replacement options and costs..." or something to that effect.

    Many times the sellers insurance will cover the cost of shingle replacement, that is if they haven't already made a claim and spent the money on something else.


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