Ditra Over Plywood Floor

For installing the ditra membrane.

Ditra over plywood floor.

It can be installed over a variety of substrates including plywood osb existing vinyl structural planks and concrete. The joists are rough cut 2 x 8s. My question is can i install the ditra over the floor leveler or do i put down another layer of plywood 1 4 first. A tight unmoving bond between mortar and subfloor causes cracking.

Over plywood or osb use modified thinset mortar. How to install schluter ditra on plywood sub floor. Or plywood subfloor areas of application over any even and structurally sound double layer osb or plywood floor interior dry or wet areas limitations minimum 2 x 2 50 mm x 50 mm tile requirements maximum spacing of i joists or floor trusses. For installing tiles on ditra.

Over concrete or gypsum use unmodified thinset mortar. What do ya think. Ensure subfloor panels are level and properly fastened to the joists. Schulter expressly notes that ditra replaces that second layer of plywood.

Ditra is approved for use with ceramic porcelain and natural stone tile. I put down 1 2 plywood all around in a staggered pattern being careful not to put screws in directly to the joists. Basically you can install ditra over. My bathroom floor needs some floor leveler well a lot of leveler.

But again this tutorial is just for wood subfloors. Can be installed on top of concrete plywood osb gypsum existing vinyl floors structural planks sub floors and radiant heated floors. All the specifics for ditra installation are in the handbook or on schluter s site. The concern being if the floor shifts it may buckle in areas and affect the finished floor.

Ditra and ditra xlseams and floor wall. An uncoupling membrane does exactly what the name says. It is 6 x7 and the floor slopes a quarter inch over the 6 width. Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c.

It uncouples or releases the bond between plywood and tile mortar allowing each surface to move independently of each other. For this project the ditra is being installed over radiant heating element embedded in self leveling mortar. The subfloor is 5 8 t g plywood joists 2x12 on 12 centers.