The best base for a great finish
Introducing PermaBASE WP™
Combines the strength and benefits of PermaBASE® Cement Board with a proprietary waterproofing formulation.
Industry's largest variety of options
View All ProductsPermaBASE® Cement Board
PermaBASE PLUS® Cement Board
PermaBASE WP™ Waterproof Cement Board
PermaBASE UltraBacker® Cement Board
PermaBASE CI™ Insulated Cement Board
PermaBASE™ Foam Tile Backer
DEXcell® Cement Roof Board
National Gypsum Company is the exclusive service provider for products manufactured by PermaBASE Building Products, LLC.
The ideal substrate
PermaBASE® Cement Board is a rigid substrate made of Portland cement, aggregate and glass mesh that provides an exceptionally hard, durable surface that is able to withstand prolonged exposure to moisture.
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Covering the most demanding applications
Designs & Resources
Find product details and technical documentation in the Design & Resource Center.
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Expert Connection
Discuss your project with PermaBASE experts who can help guide your product selection.
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Call 1-800-NATIONAL®
National Gypsum Company is the exclusive service provider for products manufactured by PermaBASE Building Products, LLC.