Installing Wonderboard On Wood Floor

Use thin set mortar when installing cement backerboard.

Installing wonderboard on wood floor.

Everything looks great however all of the seams are slightly raised due to taping. Required tools for this project. Spread the mortar with a notched trowel and lay the backer board while the mortar is still wet. Or you can apply redgard waterproofing and crack prevention liquid to the face of the wonderboard.

Fasten the panels onto the studs using the same 1 8th inch spacing as a floor installation. With the plywood in place install the backer board as you normally would. If it is plywood you can install 1 4 backerboard over it with thinset beneath then ditra or just install 1 2 backerboard. Thin set dries slowly allowing you to fix and readjust backerboard sheets as needed.

If it is plank flooring you will not be able to put anything over it that will be exactly 1 2. I am redoing a bathroom and installing cement board for the first time. Wonderboard lite must not be used as a structural load bearing member. Floor or countertop installation.

Have the necessary tools for this diy project lined up before you start you ll save time and frustration. This stabilizes the backer board levels it and prevents cracks in the tiles or tile grout. With the smooth side of a 1 4 inch notched trowel spread enough mortar for one sheet. The recommended procedure for installing fiber cement board such as wonderboard on the floor calls for first spreading a layer or mortar.

Backer board installation when tiling bathroom floor. 1 4 or 7 16 wonderboard lite floors countertops score then snap wonderboard lite 5 8 subfloor with 16 on center framing adhere to subfloor stagger surface and panel joints installation over existing vinyl floor fasten to studs tape gaps not for use over concrete gypsum substrates. I put down 7 16 wonderboard lite per manufacturer s direction which included thin set in the joints with mesh tape embedded.