Two full-size, one-piece base shingles

Unique chamfered cut for scallop appearance

Virtual four-layer coverage when applied

Fiber glass composition: UL Class A; UL Certified to meet ASTM D3462

Algae Resistant (varies by state)

Deep 8" exposure with distinctive shadow lines

355 lbs. per square

Dimensional tolerance +/- 1/16"

Lifetime limited transferable warranty (see warranty for specific details and limitations)

10-year SureStart protection

15-year algae resistance warranty on algae resistant colors

10-year, 110 mph wind warranty

Patented design

Website: http://www.certainteed.com/croof/crct00401p