How To Level Plywood Bathroom Floor Before Installing Backer Board

Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive.

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. 2 to pour self leveler on plywood directly and skip hardiback. Use corrosion resistant nails or screws to attach the cement backer board to the plywood subfloor. Spread the mortar to about 3 16 thickness.

Leave a 1 4 gap between the backer board and walls and 1 16 gap between the sheets of backer board. 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. With the plywood in place install the backer board as you normally would. And 3 grind the hump of the plywood.

Using the trowel spread adhesive and ridge it with the notched side of the trowel. Screws every 6 in. Use a chalk line to mark the dimension of the backer board sheets onto the floor. 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.

Next place a sheet of the backer board over the wet adhesive. Remember that it is best when joints in the backer board are not aligned with the joints in the subfloor. Floors are rarely perfectly level. Add more mortar as necessary to fill sunken areas in.

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. Mix up and apply a modified thinset to a large enough area of the plywood subfloor to cover each piece of backer board using a 1 4 x 1 4 notched trowel. Before installing ceramic tile on a plywood subfloor it s important to put down a layer of cement backer board first. Add a layer of 1 2 in.