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 roof asphalt shingle roof.
Start by looking for evidence of hailstorm damage from the ground.
If this is not evident look for indentations on metal flashings siding chimney caps or even skylight flashings.
Impact resistant shingles are recommended for homes in areas that see frequent hailstorms or other higher impact debris.
A split in the shingle that is brown orange in color.
Random damage with no discernable pattern.
Aside from hail impact these materials can withstand high winds of up to 110 mph.
Hailstones vary in size shape and hardness and can create a random pattern of dents or depressions.
Through research and testing ibhs was able to manufacture hailstones that replicated the properties of hail produced naturally.
Asphalt and composition shingles hail damage.
However there are no published scientific studies to validate this statement.
Hail damage to asphalt shingles may consist of punctures tears fractures bruises or the more common displacement of granules.
What does hail damage look like on asphalt shingle roofs.
Granule loss to asphalt shingles as well as review the methodology to assess hail damage to an asphalt shingle roof.
Hail damage visible from ground level.
Hail hits that are black in color.
Generally damage can be seen as indentations and or fractures on the shingle s surface.
Shingles labeled as impact resistant were purchased and put through a series of in lab tests that simulated the effects of hail impacts.
Random damage with no discernable pattern.
Metal components such as metal siding air conditioner or heat pump condensers and of course automobiles left outdoors may be dented or damaged.
Hail hits that are soft to the touch like the bruise on an apple.
Displacement of granules occurs when granules have been knocked off by the impact of hail stones hitting the roof.
How to tell the difference.
Mineral granules from asphalt roofing may appear at the ends of downspouts.
The loss of protective granules exposes underlying asphalt to damaging sun rays.
Loss of granules which may expose the roof felt.
This article tells readers how to identify roof shingle hail damage and how to distinguish a hail damaged roof from blister rash damage foot traffic damage wind and other conditions such as shingle rash blistering cracking and granule loss associated with normal shingle aging.
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 compared with blister rash damage on asphalt roofing shingles.
Considered a class 4 product impact resistant shingles can be made of steel rubber asphalt with sbs rubber asphalt with special matting materials aluminum copper and resin.