How To Install Cement Backer Board On Floor

Ceramic tile and natural stone tile installations require some type of a cement based surface for a long term.

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. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile. Precut and fit all the cement board and then lift all of the cement boards out. Cement board screws spaced every 4 in.

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. 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. Floor tiles should be installed over smooth flat surfaces. Never install new tiles over existing tiles or onto an unprotected wood or plywood floor.

Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile. The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water. Notched trowel and use the notched edge to comb the mortar.

Then spread thinset mortar with the flat side of a 1 4 in. How to install a cement backer board over a plywood subfloor in the bathroom.