How To Install Cement Backer Board On Floor

The backer board comes in different sizes and you will pick the right one depending on the type of floor you are installing.

How to install cement backer board on floor. Then spread thinset mortar with the flat side of a 1 4 in. Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile. Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile.

Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water. To achieve the ideal flat surface most contractors rely on the backer board cement backer board is a thin layer of concrete designed to be setting surface upon which tile can be installed. Embed the cement board and screw it to the underlayment with special 1 1 4 in. Cement board screws spaced every 4 in.

Precut and fit all the cement board and then lift all of the cement boards out. Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. Floor tiles should be installed over smooth flat surfaces. Notched trowel and use the notched edge to comb the mortar.

This is a distinct advantage over plywood and drywall. How to install a cement backer board over a plywood subfloor in the bathroom.