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  1. FireBloc Type C Gypsum Wallboard/American Gypsum Company LLC/2025-05-27

    FireBloc Type C Gypsum Wallboard/American Gypsum Company LLC/2025-05-27

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    Open the PDF · HPD 13262

    Expiration Date: 2028-05-27

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    This HPD covers 1/2” FireBloc® Type C Gypsum Wallboard and 5/8” FireBloc® Type C Gypsum Wallboard. FireBloc® Type C gypsum wallboard panels are manufactured with additional properties to enhance the core of this type X wallboard that…