According to East Tennessee SKYWARN, “Hail is a form of precipitation that occurs at the beginning of thunderstorms. They consist of near spherical pellets of ice and snow, usually combined in alternating layers.” By this definition alone, you can already imagine what potential destruction Hail Spa can do to your home, specifically your roof. And, if hail can hurt your roof, just think how it can problems your vehicle. In fact, big hailstones that fall with force have been known to cause fatal harm to humans and animals.
Scientists have been trying to reduce the destructiveness of hail by injecting large quantities of silver iodide into a thunderstorm. They are trying to overseed storm clouds so that smaller hailstones will form. This will prevent them from developing into large hailstones. But as of this date, results remain inconclusive.
What destruction can hail do to your roof?
Hail problems on vehicles can easily be seen but the harm that hail does to your roof will not be as obvious. Hail problems results in a random pattern of strike marks in different sizes. You may find dents, cracks or bare asphalt (if you have asphalt shingles on your roof). Additional signs of hail problems to an asphalt roof could be: granules that have settled at the base of your downspouts, metal air vents that have significant problems and damaged and dented siding or gutters.
Generally, hail has to be at least 1 and 1/4 inches in diameter before it can cause problems to wood shake shingles or heavy composite shingles. Hail that is 1 inch in diameter may hurt lightweight composite shingles. However, if you have deteriorated composite shingles on your roof, hail that is less than 1 inch in diameter can easily cause injury.