Hail Damage to Asphalt Roof Shingles
The Characteristics of Hail Damage to Asphalt Roof Shingles
Controversies can arise with regard to how asphalt shingles are damaged by hail, and what hail damage actually looks like. More specifically, questions have been raised as to whether granules removed from asphalt shingles during a hailstorm will reduce the expected life or water shedding ability of the roof shingles.
In this paper, the authors will review the definition of hail damage to asphalt shingles and explain the characteristics of such damage.
The Effects of Asphalt Shingle Granule Loss on Roof Life Expectancy and Water Shedding Ability
We also will present the results of our ten-year study on granule loss to asphalt shingles as well as review the methodology to assess hail damage to an asphalt shingle roof.
The authors of this paper inspected thousands of asphalt shingle roofs and found that damage inspectors frequently mistake various shingle anomalies such as foot scuffs, adhesive spots, etc., as hail damage. We have also inspected numerous roofs where people have tried to simulate hail damage by using a variety of tools or other objects in order to defraud an insurance carrier.
Shingle Anomolies Misidentified as Hail Damage
Therefore, the last part of this paper will focus on various shingle anomalies that are frequently misidentified as hail damage and explain how to differentiate between intentional and unintentional roof damage.
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