On average it takes a 1 or above diameter hail stone to cause damage to common asphalt shingles.
Quarter size hail roof damage.
There is also a greater chance of breaking slate or tearing asphalt if those materials are already damaged.
Quarter sized 0 75 inches the hailstones that have sizes ranging from 1 inch to 1 25 inches or quarter size may still be harmless as well however they possess all the ability to wear your roof and erode your roof.
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.
Random damage with no discernable pattern.
1 2 3 9 inches.
If the size is between 1 and 2 inches or between the size of a quarter and an egg hail damage should be more easily found on the asphalt shingles themselves as well as any soft metal on the roof.
Punches through roof shingles breaks window frames leaves scoring in metal.
Quarter sized hail hail ranging between a dime and quarter in size may not do significant damage but they can wear away your roof and speed up erosion.
Wood shingles hail damage.
What size hail causes roof damage.
However in recent years the definition of severe thunderstorms has changed to require quarter sized hail hail that is one inch in diameter.
A trained roofing inspector can accurately identify any hail damage.
When referring to hail sizes here are a few common objects to compare.
Pea 1 4 inch marble 1 2 inch.
Breaks some roof tiles dents cars strips tree bark and cuts through branches kills small animals.
Asphalt and or mat that appears shiny.
Dime to quarter sized hail 3 4 to 1 inch any hailstones larger than inch warrant an immediate call to a reputable local roofer one who is able to meet with you and your insurance agent to discuss the possible damage.
Loss of granules which may expose the roof felt.
1 8 4 9 inches.
When referring to hail sizes here are a few common objects to compare to hail stone diamater.
Shatters roofs breaks window frames does heavy.
Hail hits that are black in color.
In the past the national weather service stated that severe thunderstorms were defined by gusts of wind over 58 miles per hour and or hail the size of a penny.
1 2 inches.
Hail hits that are soft to the touch like the bruise on an apple.
Asphalt and composition shingles hail damage.
Pea 1 4 inch in diameter.
Random damage with no discernable pattern.