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by Bluegeranium
Tue Aug 01, 2017 10:30 am
Forum: Flat Roofing Forum
Topic: What is This Green Jelly Stuff Growing on my Roof?
Replies: 1
Views: 4917

What is This Green Jelly Stuff Growing on my Roof?

Can anyone tell me what this green jelly like stuff is on my flat roof? I've got lots of moss bags well but not sure about this?
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