Floor or countertop installation.
Installing wonderboard on wood floor.
To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in.
Use thin set mortar when installing cement backerboard.
Or you can apply redgard waterproofing and crack prevention liquid to the face of the wonderboard.
The recommended procedure for installing fiber cement board such as wonderboard on the floor calls for first spreading a layer or mortar.
I am redoing a bathroom and installing cement board for the first time.
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.
Fasten the panels onto the studs using the same 1 8th inch spacing as a floor installation.
Required tools for this project.
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.
Have the necessary tools for this diy project lined up before you start you ll save time and frustration.
If it is plywood you can install 1 4 backerboard over it with thinset beneath then ditra or just install 1 2 backerboard.
Ridge the mortar with the notched side of the trowel.
Backer board installation when tiling bathroom floor.
I put down 7 16 wonderboard lite per manufacturer s direction which included thin set in the joints with mesh tape embedded.
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.
Wonderboard lite must not be used as a structural load bearing member.
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.