Installing Wonderboard On Wood Floor

The recommended procedure for installing fiber cement board such as wonderboard on the floor calls for first spreading a layer or mortar.

Installing wonderboard on wood floor.

Required tools for this project. This stabilizes the backer board levels it and prevents cracks in the tiles or tile grout. If it is plywood you can install 1 4 backerboard over it with thinset beneath then ditra or just install 1 2 backerboard. I put down 7 16 wonderboard lite per manufacturer s direction which included thin set in the joints with mesh tape embedded.

Backer board installation when tiling bathroom floor. With the smooth side of a 1 4 inch notched trowel spread enough mortar for one sheet. Ridge the mortar with the notched side of the trowel. If it is plank flooring you will not be able to put anything over it that will be exactly 1 2.

Have the necessary tools for this diy project lined up before you start you ll save time and frustration. When installing wonderboard lite in wet areas such as showers nail or staple 15 pound roofing felt or 4 mil polyethylene sheeting the to the studs first. 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. To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in.

I am redoing a bathroom and installing cement board for the first time. Fasten the panels onto the studs using the same 1 8th inch spacing as a floor installation. Use thin set mortar when installing cement backerboard. Everything looks great however all of the seams are slightly raised due to taping.

Or you can apply redgard waterproofing and crack prevention liquid to the face of the wonderboard. Spread the mortar with a notched trowel and lay the backer board while the mortar is still wet. With the plywood in place install the backer board as you normally would.