Roof cleaning frequency depends on factors such as climate, location, and roofing material. Generally, roofs in humid or heavily wooded areas may require more frequent cleaning due to the likelihood of moss and algae growth. As a guideline, an annual or biennial roof cleaning is recommended for most homes. Regular inspections help you spot early signs of dirt and algae accumulation, so you can schedule cleanings before the buildup causes damage. The Benefits of Professional Roof Cleaning Services While some homeowners choose to clean their roofs themselves, professional roof cleaning services offer several benefits: Expertise and Precision Professionals are trained to handle various roof types and know the most effective methods for each. They also use specialized equipment that allows them to remove debris, algae, and stains without damaging the roof.