That why there is no issue with trapping moisture between tiles and ditra.
Floor levling over ditra.
My bathroom floor needs some floor leveler well a lot of leveler.
Ditra and ditra xl were designed and tested for thin bed ceramic tile and natural stone applications.
But if it prevents your floor from failing after a few years then it s probably worth it.
My initial thoughts include removing the existing finish wood floor then install ditra and modified thin set over the wood plank floor and lastly unmodified and ceramic tile over ditra.
Keep in mind you re adding a lot of weight to this structure with the self leveling mortar and tile.
This is a quick video on how to install 12 in.
I m interesting in hearing your thoughts before i begin my renovation.
Ditra xl is 5 16 7 mm thick to create an even transition between typical 5 16 7 mm thick tile and 3 4 19 mm thick hardwood flooring.
My question is can i install the ditra over the floor leveler or do i put down another layer of plywood 1 4 first.
What is your recommendation to install ditra over existing flooring.
As mike stated you should probably add a layer of 3 8 or 1 2 plywood over the subfloor to better support the weight.
Any leveling of the subfloor must be done prior to the installation of the membrane.
The subfloor is 5 8 t g plywood joists 2x12 on 12 centers.
I decided to apply self leveling compound over ditra let it dry completly and install tiles.
I did have to do a foundation repair and put in piers 3 years ago so makes sense the contractor poured level quick over the top of the ditra heat to level it out.
It turns out my floors are running downhill and are out of level by up to 1 1 2 or more.
Allows you to install ceramic tile over a single layer of plywood or osb subfloors on joists with wider spacing such as 24 inches on center.
Check out my other videos below.
The price difference between the two products.
What do ya think.
It is 6 x7 and the floor slopes a quarter inch over the 6 width.
Can i use self leveling compounds over schluter ditra or schluter ditra xl.
Leveling has been done for plywood we will install ditra flooring heating.
Depending on your joist spacing 3 4 subfloor may not be adequate.
It would work to self level over a wood subfloor.
How to install.
Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c.