
Class 4 Impact-Resistant Shingles: Complete Guide to Insurance Discounts & Hurricane Protection (2026)
Class 4 impact-resistant shingles save 5-35% on homeowners insurance—critical with 8% premium increases projected for 2026. Complete guide covering UL 2218 ratings, top brands (GAF ArmorShield II, Owens Corning Duration FLEX), insurance discounts, and 2026 climate trends.




