How To Clean Your Roof - Part 1 of 4

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Uploaded by on Jun 30, 2008

The most common culprit causing the black streaks on roofs is a blue-green algae called Gloeocapsa magma. Over the past 25 years this strain of algae has become more hardy and has migrated to less humid environments. It has now become a common sight on asphalt roofs across 80% of the United States. This video series shows how to clean your roof and get rid of the black streaks caused by algae.

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Howto & Style

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Standard YouTube License

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  • 5 stars please help me I wnat to get a utility pump where can i get 1

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