The best base for a great finish
PermaBASE Construction Guide
Our updated interactive guide features all the product information and installation instructions for cement board products manufactured or offered by PermaBASE Building Products.
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
In addition to being the ideal solution for interior walls or floors, PermaBASE cement board products are also a great option for exterior walls. A rigid substrate made of Portland cement, aggregate, and glass mesh, they provide an exceptionally hard, durable surface that is able to withstand prolonged exposure.
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Moisture doesn't stand a chance
No matter your moisture concerns or environmental issues, we have the answer. PermaBASE® Building Products offers the industry’s largest variety of cement boards for performance and peace of mind. Learn more about why PermaBASE is preferred by most contractors, delivering long-lasting results across a range of projects.
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.
Get In TouchNeed Technical Information?
Call 1-800-NATIONAL®
National Gypsum Company is the exclusive service provider for products manufactured by PermaBASE Building Products, LLC.