Expert Patio Black Spot Removal Services | A & R Cleaning
Black spots on patios are caused by a type of lichen that grows into the porous surface of stone and paving slabs. Over time, they become harder to remove and resistant to pressure washing alone. These growths thrive in shaded and damp areas, making patios a common target—especially in the UK’s climate. The primary causes include: Algae and Moss: These thrive in shaded, damp areas, creating dark green or black stains. Mold and Mildew: When patios aren’t cleaned regularly, mold and mildew can grow and leave black marks. Visit https://sites.google.com/view/arcleanin
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