Durock 1/4 In. x 3 Ft. x 5 Ft. Interior Cement Board
Mold and mildew resistant substrate for floor and countertop ceramic tile installations. The true 1/4 In. thickness helps eliminate transition trim when abutting carpet or wood flooring and minimize level variations with other finish materials. This non-combustible, lightweight tile backerboard is easy to cut and installs quickly.