Thread: Moss on roof
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Old 03-25-2012, 02:48 PM   #7
nightfighter
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Moss or lichen? If moss, use a wide putty knife to get off what you can without damaging shingles. Spray with cut bleach.

“Americans have the right and advantage of being armed, unlike the people of other countries, whose leaders are afraid to trust them with arms.” – James Madison.
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