See below what you don't see from the ground looking up at your beautiful roof after a storm. These bruises and holes caused from the hail that hit your roof will cause your roof to leak sooner or later. Doesn't matter if your roof is only 1,2, or 3 years old!
Significant wind can cause shingles to blow off the roof deck. Missing shingles can lead to leaks and other interior damage. Other wind damage may not be easy to see, especially if the adhesive seal that provides a water-shedding surface is broken.
Potential signs of wind damage:
Thin horizontal lines where granules have been worn off about 1-2 inches beneath the shingle above; this could indicate that the shingle seal was broken and the shingle was flapping in the wind rubbing against the shingle above it. To be effective against the elements, shingles must be sealed to each other as one water tight roof deck.
Usually hail is not something that you can miss—it is typically a widespread weather event in a neighborhood and not isolated to just one house on the block. Hail can bruise a shingle causing an indentation that may be hard to see but that can crack the shingle allowing water to infiltrate over time.
If your hail event was significant in terms of widespread damage, you will have roofing contractors who specialize in “storms” knocking on your door within days of the event.
Potential signs of hail damage:
Other collateral hail damage around the house; dents on cars or other items on your house or in your yard.
A distinct pattern of small round-shaped divots on the edges of the shingles.
Indentations in the shingle where granules are missing.
A large pile of granules at the end of your downspout; a small amount is normal, especially on new shingles.
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While your roof is designed to withstand the elements, some storms are more intense than others. Even if you’ve taken all the necessary precautions to protect your home from severe weather, you still could end up dealing with some storm cleanup in and around your home. Additionally, some of the storm damage may go undetected because it’s not always easy to spot.
We know what your thinking after your city has suffered a hail storm. Your standing on the ground and you see no missing shingles on your roof, and you have no leaks, it's only 3 years old, plus it looks fine. So you say to yourself "I don't need a free inspection from a contractor."