Or you can apply redgard waterproofing and crack prevention liquid to the face of the wonderboard.
Installing wonderboard on wood floor.
Backer board installation when tiling bathroom floor.
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.
I am redoing a bathroom and installing cement board for the first time.
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.
If it is plywood you can install 1 4 backerboard over it with thinset beneath then ditra or just install 1 2 backerboard.
This stabilizes the backer board levels it and prevents cracks in the tiles or tile grout.
Fasten the panels onto the studs using the same 1 8th inch spacing as a floor installation.
Thin set dries slowly allowing you to fix and readjust backerboard sheets as needed.
Wonderboard lite must not be used as a structural load bearing member.
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.
Everything looks great however all of the seams are slightly raised due to taping.
I put down 7 16 wonderboard lite per manufacturer s direction which included thin set in the joints with mesh tape embedded.
Floor or countertop installation.
The recommended procedure for installing fiber cement board such as wonderboard on the floor calls for first spreading a layer or mortar.
Required tools for this project.
With the plywood in place install the backer board as you normally would.
Use thin set mortar when installing cement backerboard.
With the smooth side of a 1 4 inch notched trowel spread enough mortar for one sheet.