Ditra Over Plywood Floor

The joists are rough cut 2 x 8s.

Ditra over plywood floor.

Ditra and ditra xlseams and floor wall. My bathroom floor needs some floor leveler well a lot of leveler. How to install schluter ditra on plywood sub floor. Basically you can install ditra over.

The concern being if the floor shifts it may buckle in areas and affect the finished floor. For this project the ditra is being installed over radiant heating element embedded in self leveling mortar. A tight unmoving bond between mortar and subfloor causes cracking. I put down 1 2 plywood all around in a staggered pattern being careful not to put screws in directly to the joists.

The subfloor is 5 8 t g plywood joists 2x12 on 12 centers. But again this tutorial is just for wood subfloors. 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. Ensure subfloor panels are level and properly fastened to the joists.

It is 6 x7 and the floor slopes a quarter inch over the 6 width. Can be installed on top of concrete plywood osb gypsum existing vinyl floors structural planks sub floors and radiant heated floors. It uncouples or releases the bond between plywood and tile mortar allowing each surface to move independently of each other. Use unmodified thinset mortar learn about modified vs unmodified dryset thinset here fourteen months later everything looks good so far.

All the specifics for ditra installation are in the handbook or on schluter s site. Over concrete or gypsum use unmodified thinset mortar. For installing the ditra membrane. Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c.

An uncoupling membrane does exactly what the name says. It can be installed over a variety of substrates including plywood osb existing vinyl structural planks and concrete. Schulter expressly notes that ditra replaces that second layer of plywood. It is important to use a very good quality polymer modified thinset to install the ditra on the sub floor.

What do ya think. For installing tiles on ditra. Over plywood or osb use modified thinset mortar.