Composition/Asphault roof

H

herb

New member
I would like some information on cleaning techniques and cleaning formulas for composition roofs. Also, information on cleaning wood siding that has black/green streaks. Any help would be very much appreciated.

Thanks,

Herb
 
Read a lot here, and search for the recipe for Apple Sauce to clean shingle roofs with.
As far as wood cleaning goes, I really have no experience doing that.
I am the roof guy.
But I THINK Oxalic Acid is used.
 
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