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  1. DEXcell Cement Roof Boards/PermaBASE Building Products, LLC provided by National Gypsum Company/2026-05-08

    Open the PDF · HPD 44942

    Expiration Date: 2029-05-08

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    DEXcell® Cement Roof Board provides an exceptionally hard, durable surface that withstands prolonged exposure to moisture. Its composition of Portland cement and lightweight aggregate with heavy duty fiberglass-mesh makes it an excellent…

  2. PermaBASE PLUS Cement Board/PermaBASE Building Products, LLC provided by National Gypsum Company/2026-04-10

    Open the PDF · HPD 44493

    Expiration Date: 2029-04-10

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    PermaBASE PLUS® Cement Board has the same qualities built into PermaBASE® Cement Board but weighs 15% less. When you need to lighten your load, consider PermaBASE PLUS for both interior and exterior applications. Made with Portland cement…

  3. PermaBASE Cement Board/PermaBASE Building Products, LLC provided by National Gypsum Company/2026-04-10

    Open the PDF · HPD 44492

    Expiration Date: 2029-04-10

    Please enter your email address to download the file.

    PermaBASE® Cement Board provides a durable surface designed to withstand prolonged exposure to moisture. Made with Portland cement, aggregate, and fiberglass mesh, it works well as an underlayment for tub and shower surrounds, countertops…