The best base for a great finish

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Introducing PermaBASE WP™

Combines the strength and benefits of PermaBASE® Cement Board with a proprietary waterproofing formulation.

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Why PermaBASE®

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

8 Design Center

Designs & Resources

Find product details and technical documentation in the Design & Resource Center.

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Expert Connection

Expert Connection

Discuss your project with PermaBASE experts who can help guide your product selection.

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Need Technical Information?

Call 1-800-NATIONAL®

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