Owens Corning TruDefinition Duration Harbor Blue Algae Resistant Architectural Roof Shingles ( 32.8-sq ft per Bundle )

Duration roofing shingles provide strength and durability to your roof thanks to patented SureNail technology

TruDefinition is Owens Cornings color design platform specially formulated to capture bright, vibrant hues and dramatic shades

3 bundles per 98.4 sq ft; 39 bundles per pallet

The SureNail strip is a tough-engineered woven fabric on the nailing line, allowing for fast and accurate nailing

The outstanding grip of the SureNail strip provides exceptional wind resistance – 130 MPH limited warranty

StreakGuard Algae resistance protection helps inhibit the growth of blue-green algae to provide protection against ugly black streaks

Features unique “triple layer” of reinforcement where the fabric overlays two shingle layers, called the common bond area

Up to 200% wider common bond area in the nailing zone over standard shingles

Limited lifetime warranty (for as long as you own your home)