Excess moisture helps create algae and mildew on roofs and siding. The dark streaks on roofs are due to bacteria feeding on limestone, accelerating wear and increasing cooling costs. Heavy rains and freeze-thaw cycles further stress materials. Pressure Washing In Westerville Algae, mildew, and moss stain surfaces and trap moisture. Rust stains concrete and brick. Road salt and pollution deposit …
House Washing to Remove Cobwebs in Westerville Oh








