Roof deck


Reliable performance for high value roof decks


A higher-value infrastructure requires a high-performance roof that extends serviceable life against prolonged exposure.

For specifiers, construction managers and installers, DEXcell® Cement Roof Board is ideal for all roof systems and protects against fire, moisture, hail and wind, all backed by a solid warranty.

Featuring an excellent bond and a lightweight cementitious core, DEXcell® Cement Roof Board is also FM Class 1 and UL Class A fire-rated.

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Roof Board

DEXcell® Cement Roof Board

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National Gypsum Company is the exclusive service provider for products manufactured by PermaBASE Building Products, LLC.