How To Level Plywood Bathroom Floor Before Installing Backer Board

Ceramic tile makes a durable flooring material that resists moisture and heavy traffic if it s installed properly.

How to level plywood bathroom floor before installing backer board. With the plywood in place install the backer board as you normally would. Floors are rarely perfectly level. Using the trowel spread adhesive and ridge it with the notched side of the trowel. Leave a 1 4 gap between the backer board and walls and 1 16 gap between the sheets of backer board.

Screws every 6 in. And 3 grind the hump of the plywood. If the area is very large use a long straight 2 in 4 in 5 1 cm 10 2 cm board and set your level on top of it. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive.

If the floor is uneven lift up the board until it is level so you ll know how much flooring compound you ll need to even it out. The plywood adds stiffness and stability to the floor. Next place a sheet of the backer board over the wet adhesive. Spread the mortar to about 3 16 thickness.

Before installing ceramic tile on a plywood subfloor it s important to put down a layer of cement backer board first. Bc plywood over the old subfloor using construction adhesive and driving 1 1 4 in. 2 to pour self leveler on plywood directly and skip hardiback. Lay the backer board according to the manufacturer s instructions.

Add a layer of 1 2 in. Remember that it is best when joints in the backer board are not aligned with the joints in the subfloor. Use corrosion resistant nails or screws to attach the cement backer board to the plywood subfloor. In order to level the subfloor to install tile the builder suggests 1 to put a paper on plywood and pour self leveler and skip hardibacker.