Professional soft wash roof cleaning for Stone Mountain and eastern DeKalb County
Stone Mountain is our home community, and we have cleaned more roofs here than anywhere else in the metro. The combination of factors that makes Stone Mountain such a distinctive place to live — the dense hardwood and pine forests, the proximity to Stone Mountain Park's massive granite dome, the mature residential streets with canopy cover — creates conditions that accelerate roof deterioration faster than in more exposed suburban environments. If you live near the park, near a creek corridor, or on a street where the oaks and pines create a solid canopy overhead, your roof is almost certainly carrying algae, moss, or lichen right now.
The black streaks you see on roofs throughout Stone Mountain neighborhoods are not dirt or tree debris — they are colonies of Gloeocapsa magma, a cyanobacterium that embeds into asphalt shingle granules and spreads across the roof surface over time. Left untreated, these colonies physically degrade the granules that protect your shingles from UV damage, accelerating wear and shortening your roof's functional lifespan by years. Roof cleaning is not cosmetic — it is preventive maintenance that protects your single largest investment.
Stone Mountain Park contains 3,200 acres of forest and the iconic granite dome — the largest exposed mass of granite in North America. The park's massive vegetated footprint generates spores, pollen, and organic particulates that blow across the surrounding residential communities year-round. Homes within a mile or two of the park perimeter experience some of the highest organic roof loading in DeKalb County. The park's creek systems and wetland areas add humidity to the local microclimate, keeping roof surfaces moist longer after rain events and accelerating algae establishment.
Beyond the park influence, Stone Mountain's mature residential streets have grown their canopy trees to full height over the past four to five decades. Homes built in the 1970s and 1980s now sit under a continuous cover of oak, sweetgum, pine, and dogwood. North-facing roof sections under this canopy can go weeks without direct sunlight during winter months — conditions under which algae and moss grow unchecked. We frequently clean Stone Mountain roofs where the north-facing plane looks completely different from the south-facing plane, with heavy moss colonization on the shaded side and lighter algae streaking on the sun-exposed side.
We use a low-pressure soft wash method with biodegradable, surfactant-enhanced sodium hypochlorite solution delivered at garden-hose pressure — never at the high pressure levels that can strip granules from shingles. The chemical solution penetrates the algae colony, kills it at the root, and breaks down the organic bonding that attaches staining to shingle surfaces. After application and appropriate dwell time, we rinse at low pressure, removing dead biological matter and restoring the original shingle color.
We apply a post-treatment biocide residual that continues working after we leave, slowing algae regrowth and extending the interval between cleanings. Roof surfaces that we treat consistently — on a two to three year cycle — show substantially less regrowth than untreated roofs, because the residual disrupts the early-stage colonization that would otherwise establish between cleanings.
Combine roof cleaning with house washing, driveway cleaning, and gutter cleaning for a complete exterior overhaul. View all Stone Mountain services or explore our metro Atlanta roof cleaning services.
Locally based in Stone Mountain. Serving all of eastern DeKalb County.