Hardie® Backer Board with HydroDefense® Technology
The unmatched strength, ease of use, and excellent tile adhesion you’ve come to expect from Hardie® Backer Board—with a 100% waterproof* composition throughout the board thanks to HydroDefense® Technology.
Showing products for:
Explore Hardie® Backer Board with HydroDefense® Technology
An unmatched combination of strength, performance and protection, our cement backer board is the most preferred brand by tile installers** and is 100% waterproof*.
Explore Hardie® Backer Board with HydroDefense® Technology
An unmatched combination of strength, performance and protection, our cement backer board is the most preferred brand by tile installers** and is 100% waterproof*.
Why choose Hardie® Backer Board with HydroDefense® Technology?
Count on exceptional performance and rock-solid waterproof* protection for your customers, your work, and your reputation.
100% Waterproof*
Helps protect tile installations from the damaging effects of water thanks to 100% waterproof* composition throughout the cement board.
Superior strength
Unmatched compressive and flexural strength offers up to 3 times the compressive strength of competitors, offering greater protection against cracked mortar or tile.
Mold & mildew resistance
MoldBlock® Technology protects the board from mold and mildew growth.
Hardie® Backer Board with HydroDefense® Technology Tech Specs and Documents
Learn everything you need to know about installing Hardie® Backer Board with HydroDefense® Technology.
Installation Instructions
View instructions for installing Hardie® Backer Board with HydroDefense® Technology. In English and Spanish.
How to Install Hardie® Backer Board with HydroDefense® Technology
Learn how to install Hardie® Backer Board with HydroDefense® Technology waterproof* cement board and the appropriate materials and tools that you’ll need for the job.
Browse tech docs library
Quickly browse the installation guidance and technical documentation you'll need for a successful install project.
Find a dealer near you.
Find Hardie® fiber cement siding and trim, weather barrier products, and backer board near you.
