How Long Does an Asphalt Shingle Roof Last on Long Island?
Most asphalt shingle roofs on Long Island last about 20 to 30 years when they are architectural shingles installed correctly with balanced ventilation. Older three-tab shingles usually wear out sooner, often around 15 to 20 years. Nor'easter winds, South Shore salt air, freeze-thaw winters, ice dams, poor ventilation and skipped maintenance all shorten that. Granule loss, curling shingles and repeat leaks signal the end is near.
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