Roof Cleaning

What This Service Involves

The same damp, temperate conditions that make Western Washington lush also coat roofs in dark streaks and thick organic growth. Our cleaning process lifts this buildup safely, restoring the surface without the granule loss caused by aggressive pressure washing. Beyond appearance, a clean roof sheds water properly and denies moss the foothold it needs to spread under shingles. Neighborhoods with mature tree canopies around Olympia, Redmond, and Shoreline see especially heavy growth that benefits from routine professional cleaning.

Benefits

Removes unsightly streaks and restores curb appeal; Stops moss and algae from lifting shingle edges; Improves water runoff across the roof surface; Protects granules by avoiding high-pressure damage; Extends the roof's usable life in a damp climate

Our Process

1) Assess the roof material and level of organic growth; 2) Apply appropriate cleaning solutions to the affected areas; 3) Gently rinse or soft-wash without harming the surface; 4) Clear residue from gutters and inspect for damage

What Affects the Cost

Roof size and steepness; Severity of moss, algae, and staining; Roofing material and its sensitivity; Amount of surrounding tree debris; Accessibility and number of stories

Best Time of Year

Clean roofs in the drier stretch of late spring through early fall, when treatments dry properly and results last longest.