New roofs have anti moss agents built into them, but that wears away after about seven years.  If you'd like to keep the moss off of your roof, or have recently had your roof cleaned, we can apply an anti-moss agent to help protect your roof against moss.  We also offer a large discount when you combine a moss treatment with a gutter cleaning and they are included in every roof cleaning.  Moss retardant needs to be applied at least once a year, so consider getting on our schedule for recurring service. 360-320-2001