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The Hidden Anchor: Why Fastener Metallurgy and Geometry Determine Shingle Lifespan

• September 15, 2026
• admin

When evaluating a multi-layer architectural shingle assembly, property owners focus on top-layer aesthetics: granule color blends, shadow lines, and dimensional profiles. In structural forensics, however, premature roof failure rarely stems from the asphalt composite itself. Instead, wind tear-offs and chronic deck rot frequently trace back to a single tiny component: the roofing fastener. Every bundle …