This means the granules of the asphalt have been compromised or knocked off by something.
How to spot hail damage to your asphalt roof.
Loss of granules which may expose the roof felt.
Check for missing pieces in the asphalt of the roof.
Hail damage on asphalt and composition shingles hail hits that are soft to touch.
Look for areas on the shingle that have exposed black substrate.
It only takes hail the size of less than one inch to inflict damage on an asphalt roof.
Keep in mind that shingles can react differently when struck by hail for instance damage to asphalt and composition shingles can look different than hail damage to wood shingles.
Hail damage to asphalt shingles may consist of punctures tears fractures bruises or the more common displacement of granules.
Hail damage on your roof will cause granules to break loose at the site of each hail stone impact.
Dents in the metal or cracks in plastic vents often means your roof was hit with heavy hail.
The best way to identify such cracks is to run your hand over the roof.
Asphalt and composition shingles hail damage random damage with no discernable pattern.
The loss of protective granules exposes underlying asphalt to damaging sun rays.
Hail hits that are black in color.
Roof vents are often made of lightweight metal.
Displacement of granules occurs when granules have been knocked off by the impact of hail stones hitting the roof.
Baseball size hail falls around 100 110 mph.
You should always inspect your roof after a hail storm.