Floor Leveler Over Cement Board

The preparation of the sub floor will be different depending on the type of sub floor you want to level.

Floor leveler over cement board.

Self leveling underlayment products can be used on concrete floors wood subfloors that are uneven but still in decent shape and even over ceramic tile floors eliminating the task of tearing. My plan was to fill it with self leveling compound before installing the cement backerboard and then the tiles. Levellite self leveling underlayment helps level floors prior to levellite self leveling underlayment helps level floors prior to the installation of ceramic tile natural stone resilient flooring carpet wood and other floor coverings. Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in.

Vinyl flooring glued over 1 4 in. Thick cement board instead of the usual 1 2 in. Cement reinforced faced insulation boards prime floor use flexible adhesive to bond to floor stagger board joints and fix scrim tape. I d like to install slate tiles over a pre existing plywood floor.

If you have a concrete subfloor then you should not be contemplating installing cement board over it. I know it seems like a smooth surface and it seems like it may fix some of the issues with the concrete floor but don t do it. Cement boards that some in sheets. In addition you could core holes staggered across the board adhesive will lock boards in position you may also need to weight boards until adhesive sets.

Drywall screws spaced every 6 in. There s a dip about 3 8 deep by 2 feet wide by 5 feet long. As long as the subfloor is 3 4 in. 5 cm thick in one pour and seeks its own level in minutes.

The plywood floor is 3 4 and sits on joists. This quick setting underlayment can be applied to 2 in. Concrete leveler achieves high 24 hour strength and can be covered with finished flooring in 4 to 16 hours at 70 degree f 21 degree c depending on the flooring type. Installing cement board over a concrete subfloor.