Home Inspection Flashcard #160

Roof, Asphalt Shingle

What's Your Call?

What is the most likely cause for the lumpy appearance of this roof?

a. Inadequate roof structure ventilation.

b. Shingles installed over an older asphalt shingle roof.

c. Shingles installed over a wood shake or shingle roof.

d. Distortion, part of the natural aging process of organic shingles.

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