Hail that s smaller than 1 inch can already inflict damage to an asphalt shingle roof.
Hail damage signs on a roof.
The visual signs of hail damage vary depending on the materials of the roof.
Even if you don t notice this your roof may still have suffered hail damage.
After a hailstorm the flashing may show a series of dents in the material.
The next steps you should take.
Dents on cars or other items on your house or in your yard.
Asphalt and or mat that appears shiny.
You ll also want to look for pitted spots where hail impacted the roof.
The clearest indication of hail damage is the loss of granules from the coating on your shingles.
Dented shingles or small round or tear shaped dents in your gutters downspouts or metal flashing are a common sign of hail damage.
Potential signs of hail damage.
Hail hits that are black in color.
On a membrane roof it can be identified as fractures since pvc roofs are more difficult to tear.
Hail damage to roof shingles can be very obvious or very difficult to uncover.
It takes a trained eye to spot hail damage to roof shingles.
Random damage with no discernable pattern.
Loss of granules which may expose the roof felt.
Shingles with a granular texture such as those made from asphalt or composite materials may show granular loss that exposes the underlying felt random dents with no perceptible pattern and soft spots on the surface.
As you can see on the first image below the surface granules have been knocked off of the shingle very clearly.
If you notice shingle granules in your gutters you may have hail damage on your roof.
Other collateral hail damage around the house.
The area around downspouts and in the gutters may show evidence of mineral granules that have become detached from the asphalt shingles or rolled roofing.
If hail reaches the size of an egg about 1 2 inches the damage becomes obvious on shingles and soft metal structures.
Don t just look for big divots though sometimes the impacts hail makes in these areas are quite small.
A distinct pattern of small round shaped divots on the edges of the shingles.
Indentations in the shingle where granules are missing.
An obvious sign of hail damage is visible on the metal flashing bordering the roof.
It can look like indentations or divots on the impacted areas.
Hail damage on your roof will cause granules to break loose at the site of each hail stone impact.