Professional cleaning handymen or firms offer a roof cleaning service. The cleaning package involves cleaning out debris, removing moss or algae, washing the roof, cleaning out gutters, spraying a protective coat, repainting metal or applying a moss resistant layer. You can choose the specific service that is suitable for your roof and get a quotation.
Most homeowners in Houston pay an average of $250-$1,000 depending on the size, shape, and design of the roof. Gutter cleaning costs average at $0.50-$1.00 per linear foot. The application of a stain blocking solution will set you back roughly $200-$275 when done by a certified professional. Metal roofs may need to new paint after cleaning. The cost of painting ranges between $2 and $3 per square foot. With these averages, you can have a rough idea of where the quotations you get should average.
Check online for highly rated roof cleaning services before hiring. You can request quotations from various cleaners for comparison purposes. Find a company that is RCIA certified and accredited by the National Soft Wash Alliance. Ask prospective firms whether they have worker compensation in case of injuries during the cleaning service.