How Do You Install Cement Backerboard Flooring?
Cement backerboards are 3’x5′ sheets that get screwed into place much like drywall and then topped with a thin layer of mortar for tile flooring. Backerboards are a much easier method than the traditional mud flooring for tiling jobs and have become a popular choice for do-it-youselfers. Place the first sheet of cement backerboard in a corner. Plan the layout so that none of the backerboard joints falls directly over joints in the underlying plywood. Stagger backerboard joints by at least 18 inches so that there is no place where the four corners meet. Cut sheets of backerboard as necessary by first measuring for the cut and subtracting 1/4″, since the cut will be rough and jagged. Mark your line on both ends and then use a straightedge to connect the marks. Cut the backerboard sheet with a carbide-tipped cement board knife by scoring until the cut is about 1/16″ deep. Slide a 2×4 under the sheet in line with the scoring and, while holding one side of the sheet, press down on the other
