Hail caused damage to an asphalt shingle in roofing is rup ture of the reinforcing mat or displacement of granules suf ficient to expose underlying bitumen 14.
Hail damage to asphalt roof shingles haag.
Composition roofing also known as asphalt shingle roofing works well in a variety of climates and is relatively inexpensive.
It is the most common residential roofing material used in the united states.
It takes a trained eye to spot hail damage to roof shingles.
Are these small round scoured areas hail damage.
This post is part 5a of shingle damage evaluation and follows characteristics of aging part 4e.
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 pdf timothy p.
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.
Frequently misidentified as hail damage and explain how to differentiate between intentional and unintentional roof damage.
As you can see on the first image below the surface granules have been knocked off of the shingle very clearly.
Base mat materials are either paper organic or glass fiber inorganic.
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.
Morrison haag engineering dallas tx.
The rest of the pictures make it much harder to notice that the shingle has sustained hail damage.
By scott morrison p e director of haag s research testing lab.
Hail damage identification examples questions answers question.
For a professional investigation of hail damage to asphalt shingles see.
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.
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.
Call for your free inspection 843 839 7663 or visit our website monarchroofin.
View more pictures of roof hail damage.