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Lichen on roof shingles

DAVID WILLETT willettd at fox.nstn.ns.ca
Thu Apr 28 09:58:28 EST 1994

I have a problem with lichen growing on my asphalt roof shingles and am 
looking for a simple solution to remove the growth before physical damage 
I have considered using a weak solution of Javex but I'm not sure if that's 
the answer.
If anybody has any suggestions, I would appreciate an E-Mail message to the 
following address:    WILLETTD . DAVID @ ISTC . CA

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