Those unsightly dark marks appearing on your shingles aren't frequently a sign of damage! Often, it's a common issue called mold, a sort of microorganism that grows on shingle roofs, particularly in wet locations. https://connecticutpowerwashing.com/what-causes-black-streaks-on-roof/
Why Are The Dark Lines across The Roof?
Internet - 2 hours 57 minutes ago idanuww145032Web Directory Categories
Web Directory Search
New Site Listings