Those unsightly dark lines on your shingles aren't always due to damage! Often, it's a harmless issue called biological growth, a kind of bacteria that grows on asphalt roofs, particularly in shaded areas. This problem https://connecticutpowerwashing.com/what-causes-black-streaks-on-roof/
Have You Noticed Those Dark Discoloration across The Roof?
Internet - 2 hours 46 minutes ago roofsoftwashingwestbrook148919Web Directory Categories
Web Directory Search
New Site Listings