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Scotchgard™ Protector for Roofing

Shingles featuring Scotchgard™ Protector

  • 3M Scotchgard Protector

    Black streaks on your roof are not only unattractive, but can harm your home’s resale value. Algae resistant shingles with Scotchgard™ Protector provide industry leading protection against ugly black streaks caused by algae. Find a Scotchgard Protector manufacturer today and be confident that your shingles will keep your roof looking like new for many years.


Examples of black streaks caused by algae

The black streaks on roofs, like the ones below, are actually caused by algae, not dirt or mold. Dew on your roof, along with sunlight and humidity make the perfect environment for algae to grow. In certain climates, algae can start forming black streaks in as soon as 3 years.

  • Shingles featuring Scotchgard™ Protector
  • Shingles featuring Scotchgard™ Protector
  • Shingles featuring Scotchgard™ Protector

Features/Benefits

  • 10% Copper

    10% Blend Copper Granules

    Shingles with Scotchgard™ Protector contain a minimum 10% blend of copper granules for industry leading protection against black streaks

  • Uniform Coverage

    Uniform Coverage

    Algae can get established if there are gaps in copper ion coverage. Uniform distribution of copper granules is essential for lasting protection

  • Quality Tested

    Quality Tested

    Every run of shingles featuring Scotchgard™ Protector is tested by a third party laboratory making sure manufacturing requirements are met.


Find a Scotchgard Protector manufacturer today!
Find a Scotchgard Protector manufacturer today!
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  • Granule Element

    How does it work?

    Algae resistant shingles featuring Scotchgard use a mixture of 3M™ Classic Roofing Granules and 3M™ Copper Roofing Granules to prevent black streaks. Our scientists found that copper is highly effective at preventing the growth of black streaks caused by algae. The copper in our roofing granules slowly releases into dew on roofs over time to help prevent black streaks and keep your roof looking beautiful.


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