In a report, how would you comment on this condition?
a. Clean gutters to improve drainage.
b. Excessive uniform granule loss, roofing contractor evaluation.
c. Excessive granule loss repeated in the same areas of different shingles (dark horizontal lines), manufacturer defect, shingle roof needs to be replaced. Contact manufacturer.
d. Accumulation of excess granules from a newer asphalt shingle roof. Clean gutters to improve drainage.
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