We have 2 methods of roof cleaning available depending on the amount that needs cleaned and how dirty these areas are. Estimate needed for pricing on these:
1. Power washing the surface of the roof with low pressure. This is the most affordable but is only available for roofs that are 10 years old or newer.
2. Spray the surface of the roof with a mold & algae remover. This gives the best result for your roof but usually takes 30 - 60 days before chemical can completely erase the stains. This also keeps all the shingle granules firmly attached to the surface of your roof.