What Is Soft Wash Siding and Roof Cleaning? Clean Roofing and Siding on the exterior of your home creates a great first impression and gives your home curb appeal. Regular maintenance and cleaning are important for your home exterior. Without regular cleaning maintenance, accumulation of moss, algae, dirt and mold can damage the roof and siding over time by breaking down the material. Homeowners can typically detect the presence of unwanted bacteria by the appearance of black streaks or green patches on the siding and roofing. For homeowners considering having their siding and roofing cleaned, a recent trend is the use of a ‘ soft wash ing‘ The method. Softwashing siding and roof cleaning refers to using a low pressure wash to reduce the amount of wear on the siding and roofing! and damage to the exterior of your home. Patio's, sidewalks and bricks, can typically withstand higher pressure cleaning. When using a softwash cleaning methods, a clea...