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Cleaning Moss-Algae of Cedar Roof

Posted by belle123 (My Page) on
Mon, Sep 27, 10 at 17:13

We have an older cedar roof that has a few years of life left. There are several areas that have moss or algae growing where the roof is shady. Also, the roof is almost black. How can I safely clean the roof without damaging the cedar shingles?

Thanks in advance for your help.

Here is a link that might be useful: Photo of Home


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RE: Cleaning Moss-Algae of Cedar Roof

One thing not to do is pressure wash it. I was in the same situation as you a couple of years ago. I hired a company that used an air blower to get most of the debris off the roof and then they spread moss killing crystals. It worked fine and minimized damage to the fragile roof.


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