Hardie® Backer Board
With industry-leading strength, composition, and performance, our cement backer board is the most preferred brand* of cement backer board by tile installers.
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Explore Hardie® Backer Board
Every quality tile job should start with the best tile underlayment: the industry-defining fiber cement innovation, Hardie® Backer Board.
Explore Hardie® Backer Board
Every quality tile job should start with the best tile underlayment: the industry-defining fiber cement innovation, Hardie® Backer Board.
Why Choose Hardie® Backer Board?
Help protect your work long after the job is done. See why Hardie® Backer Board is chosen in over 40 million kitchens and bathrooms.*
Moisture resistance
MoldBlock® Technology protects the board from mold growth or damage, helping it retain its strength and shape even after being exposed to water.
Superior strength
Made strongest of all leading backer board brands to withstand daily wear, prevent damage, and keep tiled surfaces secure.
Better tile adhesion
Engineered for grip that lasts, holding tiles tight to help prevent shifting, cracking, and costly call-backs.
Hardie® Backer Board Tech Specs and Documents
Learn everything you need to know about installing and maintaining Hardie® Backer Board.
Installation Instructions
View instructions for installing Hardie® Backer Board. In English and Spanish.
How to Cut Hardie® Backer Board
Our experts will show you how to make straight lines and circular cuts so that you have all of the necessary techniques to apply to your specific project.
Browse tech docs library
Quickly browse the installation guidance and technical documentation you'll need for a successful install project.
Find a retailer near you
Hardie® Backer Board is widely available at major retailers, making it easy to get the durable, moisture-resistant foundation you need for tile projects.
