The former is a penetration of the shingle that in effect removes a ply of roofing and has the potential for water to reach the fasten.
Hail damage to asphalt roof shingles haag.
According to the national oceanic and atmospheric administration noaa there was a total of 4 611 hail storms in the united states during the year 2018 with 2019 ending on a higher number as of year end more than 5 396 hail events were recorded although most people think that property and roof damage only occur in rare instances with larger than average hailstones even the smallest.
It takes a trained eye to spot hail damage to roof shingles.
Functional hail damage to composite asphalt shingles industry standards and studies have defined functional hail damage to asphalt shingle roofs as a diminution of the water shedding ability of the shingle or the reduction in the long term service life of the shingle.
Asphalt roof shingle components asphalt roof shingles are one of the most common and affordable roof coverings on the market today.
Base mat materials are either paper organic or glass fiber inorganic.
The authors have 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.
Hail damage to asphalt roof shingles pdf timothy p.
The rest of the pictures make it much harder to notice that the shingle has sustained hail damage.
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.
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As you can see on the first image below the surface granules have been knocked off of the shingle very clearly.
View more pictures of roof hail damage.
By scott morrison p e director of haag s research testing lab.
Hail damage identification examples questions answers question.
Trust your trained haag contractor to help you identify if you do have damages.
This post is part 5a of shingle damage evaluation and follows characteristics of aging part 4e.
Composition roofing also known as asphalt shingle roofing works well in a variety of climates and is relatively inexpensive.
Frequently misidentified as hail damage and explain how to differentiate between intentional and unintentional roof damage.
Hail strikes granule removal.
For a professional investigation of hail damage to asphalt shingles see.
Are these small round scoured areas hail damage.
