4. Shingles break down due to excessive warmth attributable to the darkening from the shingles. The darker the shingles get from algae streaking, the greater heat they take in. This excess warmth dries the shingles and ages the petroleum in them. WNC Wash Professional's is very pleased to help our https://exterior-surface-washing98754.blogsuperapp.com/17394201/the-home-siding-washing-diaries