<p>James Hardie HardieBacker 1/2 in. Cement Board is a cement backerboard designed for use with floors and countertops. Works under interior floors to provide a solid foundation for tile, vinyl, wood and other flooring. 1/2 in. Cement Board will also work as a countertop backerboard and underlayment for tile, granite and other stone surfaces. Provides excellent adhesion, resists moisture and features MoldBlock Technology to protect the board against damage from mold. 1/2 in. thickness provides strength and ease of use in flooring or countertop projects in bathrooms, kitchens and laundry rooms.</p> <br /><ul><li>Protects project outcome with excellent adhesion</li><br /><li>Contains no fillers or abrasive aggregate, made with 90% Portland cement and sand for strength, creating a strong foundation for projects</li>