Standard TAMKO Heritage architectural shingles carry a UL 2218 Class 1 impact-resistance rating rather than a Class 3 or Class 4 designation. They are engineered as traditional laminated dimensional shingles intended to provide standard everyday residential weather defense, aesthetic depth, and cost-effective performance. Homeowners specifically seeking certified hail resistance or insurance premium reductions should explore TAMKO's specialized Class 4 StormFighter IR line instead.
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