The first step in the process is to gently brush off all the loose moss that has not attached itself fully to the roof.
Here you can see our application of the detergent that kills all the organic growth! it reacts instantly with the organics killing them to the root.
Here you can see the moss has fully absorbed the detergent and has turned white. This is exactly what we want, the organics have been killed and will shrink and drie out. over the next few months rain will slowly wash away whats left behind from the treatment.