HardieBacker 500 cement board is resistant to mold growth and damage from moisture. This backer board is smooth on both sides providing a surface that allows for finishing with paint, wallpaper or texture. HardieBacker® 500 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. MoldBlock® Technology not only provides outstanding resistance to mold but also excellent tile adhesion to help protect tile work.
HardieBacker cement board is a tile underlayment made for wet areas like kitchens and bathrooms. It is resistant to moisture and mold, giving superior performance along with a limited lifetime warranty.