HardieBacker Cement Board with HydroDefense Technology is introduced as the first and only waterproof cement backer board. Passing ANSI 118.10 for waterproofness, HardieBacker Cement Board was developed to protect tile installations and wall cavities from moisture penetration, eliminating the need to spend extra time applying waterproof coating across the entire surface area of your wall project. Contains MoldBlock technology for superior mold resistance, the product is constructed of 90% Portland cement and sand, plus proprietary ingredients. Limited lifetime transferrable warranty. www.jameshardie.com
