Green Fungus on shingles


Old 07-04-13, 06:15 PM
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Green Fungus on shingles

I was cleaning my gutters out today and notices a lot of green fungus at the bottom of some of my shingles.Its only on one 15'x20' section of my roof.the only tree close by is a pine tree about 50' away.can someone tell me what causes it the pine tree
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Old 07-04-13, 06:59 PM
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Just guessing, but its probably the shady side of the house in the morning and has more morning dew than the other sides of the house, which promotes that sort of growth. It could also have something to do with the roof ventilation. A cold roof will stay wet with dew longer than a warm roof.
Old 07-05-13, 05:25 AM
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I agree, that portion of the roof stays wet longer than the areas with no mold.

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