KOG Exterior Services · Roof Cleaning · Fredericksburg, VA
Algae streaks, moss growth, and lichen don't just look bad — they actively degrade your roofing materials. Our soft washing process removes biological growth safely and effectively, without the shingle damage that high-pressure washing causes.
Standard pressure washing can strip granules from shingles and void manufacturer warranties. Soft washing uses low pressure and professional-grade cleaning solutions to eliminate growth at the root — results that last years, not weeks.
Low-pressure application protects asphalt shingles, tile, and metal roofing from damage while eliminating algae, moss, lichen, and mildew completely.
Black streaks and moss growth are caused by airborne organisms that eat away at your roof over time. We eliminate them at the source, not just the surface.
Our soft washing process aligns with the cleaning recommendations of major roofing material manufacturers — protecting your investment and your warranty.
Tell us what you need and we’ll follow up within one business day. No pressure, no obligation — just a straightforward conversation about how we can help.