Lay a plastic moisture barrier and then screw 3 4 in.
Cement board over hardwood floor.
The best approach would be to remove the wood flooring and screw down a layer of 5 8 or thicker plywood followed by a layer of 1 2 cement backer board before laying the tile.
Plywood to the concrete.
But i ve seen these screw ups for.
I think most people worry about how to cut it and once they have a plan for that then they think it ll be a breeze.
If your house is old the wood floor may be nailed directly to.
Failed floor on cement backer boards why this happens.
But it s considerably more difficult to install a 3 4 in.
You can screw down hardy backer 1 4 cement board right over your wood.
If the hardwood flooring is composed of narrow boards with a very smooth flat surface you could leave the flooring in place and screw cement backer board down on top of it before applying the tile.
Watch this video to find out more.
Wood floor over concrete than over a wood subfloor.
If you can get at least a 3 8 underlayment plus the existing sub floor you should be fine for the hardwood install.
Board will only help to break up the cement board as you install the flooring.
You need near 100 contact between the hardibacker and the underlying plywood or the hardibacker will flex and cause your tiles to pop or crack.
Try it and see if it works.
When installing tile on a cement backer board like durock or hardie backer board it is critical to.
If you love solid wood floors and your home rests on a concrete slab you re not out of luck.
Cement backer board is more dimensionally stable than plywood and forms a better bond with the thin set adhesive used to glue the tile down.
Wood planks to the plywood.
This means that tile applied to cement backer board resists cracking and popping loose better than tile applied to a plywood subfloor alone.
Nailing could be problematic.
Buy a quality thinset.
Nailing hardwood is done at an angle and the hardness of the cement board may cause the nails to deflect.