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Fresh hail damage and insufficient ventilation on shingle roof Knoxville, TN.

Litespeed Construction a roofing company in Knoxville TN was called out to inspect suspected insufficient ventilation in this roof. Fresh hail damages were discovered on this roof during our roof inspection. Judging by the amount of granule loss and because of the large amount of asphalt deterioration, it is suspected this hail damage has happened in the last couple of months.

Fresh hail damage on architectural asphalt shingle roof

  1. 1
    Hail damage to soft metals

    white gutters are in this picturethe gutter guards have hail that has damaged them

    In the first photo, you can see that there are no dents or protrusions from the bottom side of the gutter. From the top side, you can see dents in the soft metal gutter guards. These took the brunt of the impact and masked the presence of hail damage from underneath.  You will notice in the second photo that there are very little shingle granules in the gutters. This is a sign that this hail damage is fresh. As hail damage ages, granules slide off the roof and fill up the gutters leaving the asphalt and fiberglass beneath the granules exposed to the elements.

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  2. 2
    Signs of hail damage on your roof

    some hail damages to this gray dimensional shingles

    this is a hail impact to a shingle that shows the fiberglass matt

    In the top photo, you can see the discolored areas on shingles known as spatter. When you look closer, you can see that not only the granules are missing in some places but also the asphalt, leaving the fiberglass totally exposed.  The fiberglass mat is not water-resistant, allowing water to pass through the shingles causing leaks.

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  4. 4
    Chimney leaks and issues

    Here, the shingles appear to have some damage around the chimney. The decking is spongy and likely rotten in this area. Some of the bricks are beginning to crumble.

    chimney flashing is in very bad shape and needs to be replaced on this roof

    this is a picture of a chimney cricket on the roof and the brick chimney

    chimney bricks are in bad shape

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  5. 5
    Hail date around Knoxville TN 2020

    this is a picture of the date of loss for this hail damage 7/9/2020

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