Your Roof. Defended.

PABCO® shingles and accessories featuring Algae Defender® are designed to prevent black streaks caused by algae.

Made with the highest-quality standards, they are backed by the best algae resistance warranty in the industry.


PABCO® has over two decades of experience in producing premium algae resistant asphalt shingles.


We use proven manufacturing techniques that provide lasting protection against black streaks caused by algae.


Up to a Limited Lifetime Warranty* against black streaks caused by algae.
*See PABCO’s Limited Shingle Warranty for details, limits and conditions

Defend Your Roof

Defend your roof against unsightly black streaks caused by algae. Choose PABCO® Roofing asphalt shingle products featuring Algae Defender®.

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PABCO® Products available with Algae Defender:

Where to Find
Algae Defender® Products

Algae Defender is not available in all markets. Contact PABCO® or your local distributor to confirm availability.

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