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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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Hardie® Backer Board

Explore Hardie® Backer Board

Hardie® Backer Board provides high-performance, water resistant protection to back up your next bathroom or kitchen renovation.

Hardie® Backer Board
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Why Choose Hardie® Backer Board?

Use the easy-to-install cement backer board that offers industry-leading strength and performance.

Water resistance

Hardie® Backer Board's water-resistant engineering and its MoldBlock® Technology actively protects the board from mold growth before it can take hold.

Superior strength

Hardie® Backer Board is made of fiber cement, a material stronger than foam. Resists splitting, cracking, or shifting so your tile job holds up under weight and over time.

Excellent tile adhesion

A tight hold on tile requires excellent grip. Hardie® Backer Board is engineered to perform as a rock-solid base that helps prevent tile from popping, loosening, or shifting over time.

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Tech specs and documents

Hardie® Backer Board Tech Specs and Documents

Quick Start Installation Guide

Get an overview of the installation process for Hardie® Backer Board. In English and Spanish.

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How to Install Hardie® Backer Board

From starter strips to correct gap length, it's important to know the basics for siding installation.

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Browse Tech Docs Library

Quickly browse and gather all the docs you need for a successful install project, from CAD files to install instructions to safety sheets.

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Start your renovation

Ready to take the next step? Find a local pro to help you execute your design vision with Hardie® siding.

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*According to the 2021 Tile and Stone Installation Contractor Market Study conducted by Clear Seas Research in partnership with the NTCA and TILE Magazine.