Cement backer board is more dimensionally stable than plywood and forms a better bond with the thin set adhesive used to glue the tile down.
How to install cement board on a wood floor.
Then spread thinset mortar with the flat side of a 1 4 in.
Embed the cement board and screw it to the underlayment with special 1 1 4 in.
Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile.
Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile.
Installing a cement backerboard is crucial when you want a waterproof tile floor that lasts for years without cracking.
Then you attach the cement board with screws.
The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet.
Before we go any farther on how to install cement board i am going to talk about a very common mistake most people make.
All the insider information on how to build and waterproof a.
Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides.
This is a distinct advantage over plywood and drywall.
Cement board screws spaced every 4 in.
The 1 mistake most people make when installing cement board.
Precut and fit all the cement board and then lift all of the cement boards out.
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.
It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common.
It is very important to first spread thin set on the floor before placing the cement board to the floor.
How to install a cement backer board over a plywood subfloor in the bathroom.
Notched trowel and use the notched edge to comb the mortar.