Olympic Spray Service uses Zinc Sulfate to control moss on roofs. This 
treatment may last for up to three (3) years. Olympic Spray Service guarantees it for one year (1 yr.). We tend to treat from the gutters without getting up onto the roof. Read the rest of this entry »
Republished by Blog Post Promoter
Removing moss from roofs is best done with Zinc Sulfat
e. This kills the moss and the moss will biodegrade. This can usually last for up to three (3) years. Olympic Spray Service will guarantee it for one (1) full year following the application.
Exceptionally
heavy infestations may take longer or need to be retreated. Call 457-4341 or 1-800-828-5508 to make an appointment or for more information.
Republished by Blog Post Promoter