Malarkey Legacy architectural shingles carry an official UL 2218 Class 4 impact resistance rating, which represents the highest possible performance standard for residential asphalt roofing materials. This elite classification is earned because the shingles utilize a specialized rubberized SBS polymer-modified asphalt matrix that absorbs the kinetic energy of heavy hail stones without cracking, fracturing, or splitting on the reverse side, frequently unlocking substantial annual homeowner insurance premium discounts.
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