The look of rugged wood shakes with the protection of UL 2218 Class 4 impact resistance. Made with our proprietary SBS modified asphalt formulation, Grand Sequoia® AS SBS Modified IR Shingles provide an excellent combination of enhanced impact resistance and beauty for your most valuable asset! They pass the industry's toughest impact-resistance test: UL 2218 Class 4. What does that mean? Shingles that pass this test may qualify for insurance discounts.
Roofs and Roof Accessories: Shingles: Systems
Materials