The Effects of Hail Damage On Asphalt Roofing Shingles

We all have felt the effects from the November 4 hail storm that tore through Murrells Inlet and the surrounding areas around Myrtle Beach. But how much damage does hail actually do to your roof?

Asphalt Damage - Reeves General Contractor - Reeves Roof and Gutters
There are many factors which can affect your asphalt shingles and damage your roofing system. Some factors include:
– Size and density of the hail stones
– Age of the shingles
– Angle of the hail impact
– Temperature
Most often, a common sense rule of thumb is that the larger the hail, the more severe the damage. Typically, the more age your roof has, the more damage will be done as well. Newer shingles are more resistant than older shingles, as the asphalt is less brittle and better able to absorb the impact energy caused from the hail stones.


Asphalt roofing shingles have historically demonstrated excellent performance in a variety of weather conditions; rain, sun, ice, snow, and sleet. Hail storms, however, may produce hail of sufficient size to cause visible damage to the shingles. Concerned homeowners/insurance adjusters are left with numerous questions about hail and how it may have affected the roof performance and/or shingle warranty. Limited asphalt shingle warranties generally exclude damage to shingles due to hail.

Hail damage can be divided into two categories: aesthetic and functional.


By far the most common type of damage caused by hail; small localised areas with minor loss of granules. This type of damage generally has little impact on the life of the shingle.

Functional damage is where there is sufficient damage to the shingles to either cause a short term leak or to reduce the life of the shingle. This type of damage is recognized by significant granule loss (easily visible from the ground, areas of asphalt becoming exposed) or shingle fracture/penetration which can be seen by fractures through the back of the shingle. Generally shingle replacement is only required in severe cases of damage. Remember that asphalt shingle applications provide at least two layers of shingle material over the entire roof.




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