Excess moisture helps create algae and mildew on roofs and siding. The dark streaks on roofs are due to bacteria feeding on limestone, increasing wear and driving up cooling costs. Heavy rains and freeze-thaw cycles add extra pressure to materials. Exterior Cleaning In Westerville Oh Algae, mildew, and moss stain surfaces and trap moisture. Rust marks concrete and brick. Road …
Pressure Washing Around Solar Lights Westerville








