1033 E St Charles Rd
Lombard Il 60148
You may have had someone knock on your door and tell you that your home has storm damage, but you've not been able to see it. Here is a quick tour of storm damaged siding and roofing, and what the damage looks like...
Storm damage to siding
Hail damage on aluminum siding looks like a round or teardrop shaped indentation, sometimes accompanied by a mark indicating oxidation of the painted surface has been removed. The picture to the left shows a wind-driven hailstorm which peppered the side of the home in a directional manner. This type of hail generally strikes one or two sides of a home.
If the dent in the siding is sharp or jagged, it was caused by some other type of impact which is considered mechanical damage. Hail leaves a dent with absolutely no type of abrasion. Depending on rainfall prior to the hail, it may or may not remove oxidation from the painted surface.
Hail will occasionally strike three sides of a structure, depending on the length of the storm and wind direction. The east side of a home rarely shows hail damage, as severe storms rarely track from the east. In general, if a home has damage on all four sides, multiple storms are the cause.
The picture above shows hail on a heavy woodgrain pattern siding that's small enough to need artificial light to make it show. The picture to the right has so many hail dents it's hard to NOT see it from the street.
Storm damage to roofing
The most obvious wind damage to shingles occurs when the shingles are flipped over or torn off the roof. Less obvious damage is when the wind lifts the shingles and lets them lay back down. If the shingles are getting a bit older, the top edge of the tab will crease and shed granules, leading to short-term failure.
Depending on the composition of the shingle, some are more susceptible to damage than others. As the roof ages and the shingles become more brittle, it's easier for the wind to get under the shingle and break the seal loose. Once that happens, it's just a matter of time before they will raise up, crease, flip over, and break off.
There are many factors that influence hail's effect on roofing shingles. The age of the roof, the condition of the roof, the size of the hail, and the direction of the hail.
As a roof ages, it becomes brittle and shrinks to some degree. As hail strikes an older roof, the likelihood of granules becoming dislodged is significantly higher than if the roof was a few years old and still was soft and pliable. This a normal condition and does NOT constitute hail damage. Shingles are expected to lose granules as they age.
The larger hail becomes, the more likely that it will cause fractures in the underlying mat of the shingle. This is what most insurance companies are looking for, a physical puncture of the shingle. It is very difficult for hail to damage a shingle unless it is in excess of 2 inches in diameter.
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