No, IKO Dynasty shingles are officially rated as Class 3 impact-resistant shingles rather than Class 4. While they are engineered with a heavy-duty fiberglass mat and robust asphalt matrix that successfully pass UL 2218 Class 3 testing—often qualifying homeowners for moderate insurance premium discounts—they do not achieve the highest-level Class 4 rating. Homeowners seeking absolute maximum Class 4 hail mitigation from IKO should select the specialized IKO Nordic line instead.
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