Home Inspection Flashcard #6

Batch Problems

What's Your Call?

The difference in color visible on this asphalt shingle roof is caused by _____.

a. Manufacturer?s defect resulting in premature failure.

b. Shingles from two different lots installed on the same roof.

c. Shingles from two different batches deteriorating at different rates.

d. Previous attempts to clean the roof with a power washer.

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