About HardieBacker® Cement Board
HardieBacker cement board's unique cement formulation and structure provide the ideal combination of strength, uniform composition and performance that no other backer board can provide.
Introducing: 100% Waterproof Cement Backer Board*
The most preferred brand of backer board** is now even better. The all-new HardieBacker® Cement Board with HydroDefense™ Technology delivers a waterproof composition throughout the board–and rock solid protection for your customers, your work, and your reputation.