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Dark green almost turning black

tench0771

Well-known member
Messages
6,444
Location
devon
Ive got a small soft wash bungalow to clean was guna hypo it but at front plastic shutters screwd to wall eather side of windows she also wants longer lasting clean so thault bio it walls very green just starting to go black but not quiet will ddac shift or shall i cover the shutters hypo it then bio it after 

 
You can do it either way hypo first then bio or bio it then hypo later depending how it looks , we would probably hypo it and not use bio . But would offer a bio annual spray to keep it looking good . 

 
You can do it either way hypo first then bio or bio it then hypo later depending how it looks , we would probably hypo it and not use bio . But would offer a bio annual spray to keep it looking good . 
I'm going to Bio a moss covered roof next week. Will be taking photos to see how it turns out. Getting a call every week for roof spraying, it seems like a growing industry. Might even buy the £2k wheel barrow sprayer from Rutland if it continues. ?

 
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