. Two full-size, one-piece base shingles, beneath a massive weather tab

. Virtual five-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

. 425 lbs. per square

. Dimensional tolerance ± 1/16"

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

. 10-year SureStart^TM protection

. 15-year algae resistance warranty on algae resistant colors

. 10-year 110 mph wind warranty

. Patented design

. High-Performance Starter and Hip and Ridge accessory available