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.1
See how this product can help you meet your environmental goals. View sustainability information here.