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Scotchgard™ Protector for roofing desktop banner

Scotchgard™ Protector for Roofing

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Shingles featuring Scotchgard™ Protector

  • Shingles featuring Scotchgard™ Protector

    Black streaks caused by algae have been hiding in plain sight on roofs for too many years. It may harm your home’s resale value and curb appeal. Most products don’t address the problem long-term, but Scotchgard™ Protector is an industry-leading defense against black streaks caused by algae, protecting your roof for the life of the shingles. Shingles featuring Scotchgard Protector are the only Holmes approved roofing solution for algae protection.


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Approved by Mike Holmes

  • Holmes Approved Product announcement

    How to Make it Right

    Mike Holmes accepts nothing less than top-performing products that are proven to last. Scotchgard™ Protector is backed by decades of science and is proven to protect against black streaks caused by algae.

  • Science around Scotchgard Protector

    So how does it work?

    Algae resistant shingles featuring Scotchgard™ Protector integrates 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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Decades of science behind every shingle

3M pioneered the science of algae protection. The result is protection against black streaks – and your home’s beauty – that last for the life of your roof. For more than 60 years, the Scotchgard Protector brand has kept everything from clothing and outdoor gear to carpets and cars looking better longer. It’s also the proven solution for preserving the beauty of roofs.

  • 10% copper blend

    10% Blend Copper Granules

    Minimum of 10% blend of copper-containing granules in every shingle.

  • Uniform coverage

    Uniform Coverage

    Uniform copper granule distribution across the shingle surface and hip and ridge.

  • Quality tested

    Quality Tested

    Third party testing to make sure manufacturing requirements are met.


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Find a roofing contractor today

Look for contractors that have the Scotchgard™ Shingle Sales Specialist designation.

  • Atlas Roofing

    Atlas Pro Roofing Contractors

  • Malarkey Roofing Products

    Malarkey Certified Residential Roofing Contractors


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Still have additional questions regarding Scotchgard Protector?

View the FAQ (PDF, 147 KB) or Contact Us to request more information.

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