Floor Levling Over Ditra

This is a quick video on how to install 12 in.
Floor levling over ditra. Keep in mind you re adding a lot of weight to this structure with the self leveling mortar and tile. There was an alternative product mentioned in the forum thread called protegga which looks to be a slightly less expensive copy of the ditra you can read john bridge s comments about ditra knockoffs on his tile forum. 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.
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. Porcelain floor tile on ditra membrane underlayment. Ditra and ditra xl were designed and tested for thin bed ceramic tile and natural stone applications. 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. My bathroom floor needs some floor leveler well a lot of leveler. 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. That why there is no issue with trapping moisture between tiles and ditra.
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. Depending on your joist spacing 3 4 subfloor may not be adequate. In addition ditra xl and standard 5 16 tile creates a floor height that is level with standard 3 4 hardwood flooring.
It would work to self level over a wood subfloor. It turns out my floors are running downhill and are out of level by up to 1 1 2 or more. It is 6 x7 and the floor slopes a quarter inch over the 6 width. 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.
Can i use self leveling compounds over schluter ditra or schluter ditra xl. Check out my other videos below. My question is can i install the ditra over the floor leveler or do i put down another layer of plywood 1 4 first. Leveling has been done for plywood we will install ditra flooring heating.
What do ya think. 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.