1. Curling Shingles
Curling (or clawing shingles) are a sign of both age, and also excessive heat. These shingles can easily become rigid, leading to breakage.
2. Missing Granules and Bare Spots
3. Broken or Missing Shingles
Broken and missing singles greatly weaken your roof’s ability to shed water and can be an entry point for water. The two most common causes of damaged shingles are excessive wind and physical damage.
4. Buckling Shingles
Buckling shingles are waved distortions that are easily visible. These usually run vertically up a roof slope. Buckled shingles are highly susceptible to wind and ice damage, and can be torn off easily in either instance. Your overall roof age and wet/poorly installed underlayment are very common causes of buckling shingles.
5. Damaged Flashings
Flashing that are located around skylights, valleys, eaves, wall details, and chimneys are all subject to separation. These can also lift, and the caulking can sometimes dry out. The flashing details can lift and separate due to general expansion and contraction. This kind of expansion and contraction will cause fasteners to loosen and the bottom flange to lift, allowing water to enter.
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