Thread: What all causes shingle discoloration
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Old 09-03-2007, 04:43 PM
Jerry Peck Jerry Peck is online now
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Re: What all causes shingle discoloration
Quote:
Originally Posted by Michael Larson View Post
Perhaps you should consider the addition of Zinc strips as a better solution than cleaning products. Zstop
Except that most of those have an effective range of about 10' down the roof. Meaning that you would need to install them every 10' down the run of the roof slope.
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