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  1. Securock Brand Gypsum-Fiber Roof Board/USG/2026-06-05

    Open the PDF · HPD 36355

    Expiration Date: 2029-06-05

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    Employs advanced technology in delivering an exceptionally strong, high-performance roof board for use in low-slope commercial roofing systems. Securock® Brand Gypsum-Fiber Roof Board's unique, fiber-reinforced, homogenous composition…