Q: We have a “green roof” that is not meant to be green. Moss (I guess it is moss) is collecting on one side of the asphalt roof. The roof is otherwise in good shape. What I have learned so far is ...
Moss can shorten the life span of a shingled roof and result in costly repairs. (George A.Tsongas) A common site in Oregon’s rainy, humid winter is the growth of bright green moss on shingle and ...
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