frequency of roof cleanings?

derekcaldwell

New Member
I am about to go after a roof cleaning job and want a little education. What is the frequency for roof cleanings? If someone wants a clean roof and there is only shading and dirt but no algae or moss do I clean with just light pressure once a year? And if covered in algae or moss do I clean whenever customer wants? Bascially, I don't want to clean a roof just cus the customer wants a clean roof when damage to the roof from too much cleaning could occur. Or is there such a thing as too much cleaning? Can someone point me in the right direction?

Regards,

Derek Caldwell
 

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