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Hardie® Backer Board is what the best build on

The most chosen brand by trade pros* who build to last, Hardie® Backer Board is a time-tested performance tile backer — and what the best build on.

Why choose Hardie® Backer?

Every quality tile job should start with the best tile underlayment: the industry-defining fiber cement innovation, Hardie® Backer Board. Chosen in over 40 million kitchens and bathrooms*, it's the #1 best selling tile backer board amongst trade pros** for a reason. Hardie® Backer Board is the time-tested performance backer that resists cracking under pressure and keeps tiles in place.

Excellent tile adhesion

A tight hold on tile requires excellent adhesion strength. Hardie® Backer Board’s engineered surface creates a rock-solid base that lasts, preventing tile from popping, loosening, or shifting over time.

Advanced water protection

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

Exceptionally strong

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.

Easy to work with

Preferred by installers

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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Easy to work with

Preferred by installers

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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Where to Use Hardie® Backer​

​Discover which Hardie® Backer is right for your project.

  • Bathroom. Click to open modal.Bathroom
  • Kitchen. Click to open modal.Kitchen
  • Laundry. Click to open modal.Laundry

Explore Hardie® Backer Board

Find a local retailer for moreinformation Hardie® BackerBoard and HydroDefense ®Technology products​.

**Hardie® fiber cement products are noncombustible and/or have a Class A fire rating when tested in accordance with ASTM E84. Fiber cement fire resistance does not extend to applied paints or coatings, which may be damaged or char when exposed to flames. The use of noncombustible siding, combined with other fire mitigation measures, may help harden a home against external fire.