The best base for a great finish

Perma BASE Construction Guide Cover 405x256

PermaBASE Construction Guide

Our new interactive guide features all the product information and installation instructions for cement board products manufactured or offered by PermaBASE Building Products.

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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.