Fungus Among Us – On the House

Fungus Among Us

By on April 15, 2014
removing roof lichens


Please advise if Lichen on a roof will deteriorate the asphalt shingles. Do I need to worry about it causing any damage? It is only visible if you are on the roof. We cannot see it from ground level.



It doesn’t make any difference whether you have lichen, mildew algae or some other fungus or plant growth on your roof chances are the roof material will not be harmed by it. Having said that, we suggest that you get it off of there as soon as possible. Growths on roofs can retain water and it’s the water that can do damage. We suggest a pressure washer and lots of elbow grease to remove whatever it is that you have growing up there.

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