What is the nature of the colored spots on the shingles?
a. Lichens, a type of biological growth.
b. The neighbor's kid has a grudge and a paintball gun.
c. Algae, a type of biological growth.
d. Windblown leaves have adhered to a wet roof.
You must be logged in as an InterNACHI member to see this card's explanation, comments and suggested report narratives.