hero-image
Applications

Bathtub

Interior

Add efficiency to waterproofing

flexible-image

For projects where waterproofing is critical, prefabricated products can save time and help projects run smoothly by providing the performance builders need while eliminating the need for mixing.

That’s why PermaBASE® Building Products are the industry-preferred choice. Installation-ready and easy-to-use, PermaBASE® Building Products deliver exceptional waterproofing – including a lighter-weight foam solution – and offer critical protection for every bathtub.

Recommended products

View Products
type-image

Cement Board

Learn More
product-image

Cement Board

PermaBASE® Cement Board

View Product
type-image

Waterproof

Learn More
product-image

Waterproof

PermaBASE WP® Waterproof Cement Board

View Product
product-image

Foam Tile Backer

PermaBASE™ Foam Tile Backer

View Product
type-image

Lightweight

Learn More
product-image

Cement Board

PermaBASE PLUS® Cement Board

View Product
8 Design Center

Designs & Resources

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

Explore Now
Expert connection 800 national 560x320 2024

Expert Connection

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

Get In Touch

Need Technical Information?

Call 1-800-NATIONAL®

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