What causes the black streaks and stains on my roof?

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Unlike roof moss which is easily identified, a hardy species of algae called Gloeocapsa Magma causes black streaks and stains to form on your shingles as it spreads. The algae feed on the limestone filler that roofing manufacturers use in the asphalt shingle production process. Rain spreads the algae down the roof causing unsightly black streaks. Left untreated, the algae …

What is the Soft-Wash Process?

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Our algae removal process involves the application of an industry-proven mix of detergents, followed by a soft-wash rinse. High pressure power washers, which could damage the roof, ARE NOT used. We utilize the cleaning process recommended by ARMA (Asphalt Roofing Manufacturers Association) and GAF (North America‚Äôs largest shingle manufacturer). The detergents and chemicals we use are safe for your family, …

How long will a roof cleaning last?

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With a whole roof cleaning, your shingles should remain algae-free for 2-3 years. Most roofs however, remain clean for at least four years before the algae reappears. Partial roof cleanings are NOT recommended. The algae is nearly invisible in its early stages and once it appears on some roof surfaces, it is most likely beginning to spread to other areas …