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Scotchgard™ Algae Resistant Shingle Protector

Scotchgard logo

Scotchgard™ Algae Resistant Shingle Protector from 3M helps protect against the black streaks caused by algae for up to 20 years. Scotchgard Protector uses 3M copper containing roofing granules to help prevent those black streaks on roofs, helping to maintain the roof’s clean appearance and preserve the beauty of your home.

The Scotchgard Protector logo found on quality shingle brands assure you that protection against the black streaks caused by algae is in place. 3M science proves that appropriate copper ion coverage helps reduce the risk of black streaks caused by algae—this is at the heart of the Scotchgard Protector promise.

Ask for Shingles with Scotchgard Protector!

Only select shingle manufactures feature shingles with Scotchgard™ Protector; these shingles deliver effective protection against the black streaks caused by algae.

Shingles with Scotchgard Protector feature:

+ A minimum 10% blend of copper containing granules incorporated uniformly across the shingle surface. 3M science shows that a minimum 10% blend helps ensure effective copper ion coverage, keeping those black streaks off your roof in a variety of climates.

+ Uniform distribution of copper containing granules on the shingle and the hip and ridge. Algae can get established if there are gaps in copper ion coverage. Combining the 10% blend of copper granules with uniform distribution are key and reduce the possibility of copper ion coverage gaps.

+ Tested by a third party laboratory. Every run of quality shingles, featuring Scotchgard™ Protector, are tested by a third party laboratory helping to ensure a minimum 10% blend of copper granules, uniformly distributed across the shingle.

+ The power of the Scotchgard Brand. A brand promise you can trust!


Homeowner Benefit
  • Preserve your home’s visual appeal by helping to prevent the black streaks on your roof caused by algae.


Roofing Colors How Our System Works

Manufacturers use these copper granule colors combined with other standard colored granules to give homeowners a wide range of color choices for their roof.

Scotchgard™ Colors‚ 7000‚ Grey

Grey
7000
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Scotchgard™ Colors‚ 7050‚ Black

Black
7050
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Scotchgard™ Colors‚ 7070‚ Light Grey

Light Grey
7070
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Scotchgard™ Algae Resistant Shingle Protector includes copper containing granules, in combination with standard colored granules, uniformly distributed across the surface of premium asphalt shingles. Copper ions help prevent black streaks caused by algae. The Scotchgard Protector system is designed to provide effective resistance to the black streaks caused by algae, helping to keep your roof looking beautiful for many years.

3M and Scotchgard are trademarks of 3M.

See Where Algae Can Destroy The Beauty Of Your Roof

Black streaks caused by algae are seen on roofs in much of the United States. Appearing first on the north slope of a roof, where extra shade and moisture support its growth, algae’s windborne spores can quickly spread from shingle to shingle and rooftop to rooftop. In at risk areas, the Scotchgard Protector logo on premium asphalt shingle brands is your assurance of built in effective resistance to the black streaks caused by algae.

Roof Algae Follow Climate & Geography

Anywhere there is significant humidity‚ black streaks caused by algae could be a problem.

See which manufacturers use our products in their shingles‚ and learn more about selecting the right product for your home or commercial building. .