Low-pressure exterior cleaning for Alpharetta homes and businesses in North Fulton County
Alpharetta has grown into one of metro Atlanta's most affluent and rapidly developing communities. From the established luxury neighborhoods along Haynes Bridge Road and Crabapple to the newer master-planned communities like Avalon and the North Point corridor, Alpharetta properties represent significant investments — investments that require proper maintenance to protect their value. Soft washing is a critical component of that maintenance, providing a deep, long-lasting clean that preserves the exterior finishes that make these homes stand out.
Thrare Contracting provides professional soft washing throughout Alpharetta and the broader North Fulton area. Our approach uses low-pressure delivery systems combined with professionally formulated biodegradable solutions that target and eliminate organic growth at the biological level. We do not rely on high-pressure blasting that can strip shingle granules, chip stucco, or force water behind siding. We let the chemistry do the work.
Alpharetta sits at the northernmost edge of the Atlanta metropolitan area, at an elevation slightly higher than the urban core. Despite this, the city experiences the full force of Georgia's humid subtropical climate — long, hot summers with high relative humidity, frequent afternoon thunderstorms from May through September, and mild winters that allow organic organisms to survive year-round with no meaningful freeze-kill period. Average annual rainfall in the North Fulton area exceeds 52 inches.
These conditions create a near-ideal environment for algae, mold, mildew, and lichen growth on every exterior surface. Rooftops in Alpharetta's heavily wooded neighborhoods like Windward and Webb Bridge Park develop black algae streaking within three to five years of installation. North-facing siding elevations and areas under tree canopy develop green algae and brown mildew staining annually. The issue is not a reflection of how well a property is maintained — it is simply the predictable result of Georgia's climate acting on exterior building materials.
Soft washing addresses this problem at its source. Rather than mechanically removing visible growth while leaving root systems and spores embedded in the surface, our biodegradable solutions penetrate organic matter and destroy it chemically. Surfaces stay clean significantly longer because there is no viable organism left to regrow from.
The core principle of soft washing is straightforward: cleaning chemistry rather than water pressure does the work. Our delivery systems apply solution at pressures between 40 and 200 PSI — similar to a standard garden hose — rather than the 2,000 to 4,000 PSI of a pressure washer. The solution contains two primary active ingredient categories:
After an appropriate dwell period — typically 5 to 15 minutes depending on growth severity and surface type — we rinse the surface with low-pressure water, carrying away all dead organic material, solution residue, dirt, pollen, and environmental staining. Landscaping is pre-soaked before application and thoroughly rinsed after treatment. Our solutions are formulated to break down in sunlight and soil within hours of dilution.
Every major exterior surface type found on Alpharetta homes and commercial buildings responds well to soft washing:
We provide soft washing services throughout all Alpharetta communities:
Alpharetta's business community is substantial — the Technology Park and surrounding corridors host major corporate campuses and office parks that require periodic exterior cleaning to maintain professional appearance and meet property management standards. We provide scheduled soft washing programs for commercial facades, parking structures, and exterior common areas. As an MBE/DBE-certified contractor, we are qualified for government and institutional contracts throughout North Fulton County.
Combine soft washing with other services for maximum value:
Because soft washing eliminates organisms rather than only removing visible surface growth, results last significantly longer than pressure washing. On Alpharetta rooftops with moderate sun exposure, soft wash roof treatments typically last 3 to 5 years before reapplication is needed. House washing results on siding last 12 to 24 months depending on tree shading and proximity to water features. Properties under dense tree canopy — common in Windward and Haynes Bridge neighborhoods — may benefit from annual maintenance programs at reduced cost.
Serving all Alpharetta neighborhoods and North Fulton County.