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Protect Your Home's Curb Appeal - StreakGuard™ Algae Protection

Don't let black streaks lower the value or curb appeal of your home

Owens Corning blends copper-lined granules into our colorful granules, which help resist algae growth.

Help keep your roof looking like new with the protection of Owens Corning StreakGuard™ Algae Resistance Protection. For more than 30 years, we've continued to advance our technologies to keep roofs beautiful and virtually maintenance free. Your roof accounts for more than one-third of your home's exterior. As a result, it has a dramatic impact on curb appeal.

Owens Corning Shingles with StreakGuard™ Algae Protection:

  • Are supported by the #1 Trusted Brand in Roofing
  • Helps inhibit the growth of algae* to keep your home beautiful
  • Gives homeowner peace-of-mind based on decades of Owens Corning testing and experience with algae resistance protection
  • Is available on a wide variety of shingle styles and colors — ask your contractor for specifics
  • Has a limited 10-year warranty*

*See actual warranty for details, limitations and requirements.

2016 Roofing Homeowner Brand Awareness Survey by Owens Corning Roofing and Asphalt, LLC.