Proper Flooring Under Cement Board

It s typically available in 1 2 in.

Proper flooring under cement board.

1 4 luan plywood is common for use underneath vinyl flooring. Drywall screws spaced every 6 in. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. Cement based backer board stabilizes the plywood substrate and provides a flat even surface for tile.

Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in. As long as the subfloor is 3 4 in. The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile.

The 1 mistake most people make when installing cement board. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile. For best results especially on floors concrete board should be installed at least one day. I have not seen anyone try to put vinyl over it.

Written installation instructions and a. It is very important to first spread thin set on the floor before placing the cement board to the floor. Cement boards that some in sheets. Before we go any farther on how to install cement board i am going to talk about a very common mistake most people make.

I would avoid doing this if i were you. Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage. Use under armstrong resilient flooring installed by the residential felt back perimeter bond method. Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides.

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. Thick 3 x 5 ft. Fiber reinforced gypsum underlayment fiber cement board and cementitious backerboard these products must be designed specifically for vinyl floor coverings. This is a distinct advantage over plywood and drywall.

Thick cement board instead of the usual 1 2 in. Vinyl flooring glued over 1 4 in. Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas. It provides a smooth uniform surface to work with.

It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common.